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3738400000 = 28554673
BaseRepresentation
bin1101111011010011…
…0111010100000000
3100122112110101201021
43132310313110000
530124012300000
61414542515224
7161432606236
oct33664672400
910575411637
103738400000
111649258285
12883b95b14
1347767a10a
142766d8956
1516d2ee11a
hexded37500

3738400000 has 108 divisors (see below), whose sum is σ = 9329145084. Its totient is φ = 1495040000.

The previous prime is 3738399979. The next prime is 3738400009. The reversal of 3738400000 is 48373.

3738400000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2110116096 + 1628283904 = 45936^2 + 40352^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738400009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 797664 + ... + 802336.

It is an arithmetic number, because the mean of its divisors is an integer number (86380973).

Almost surely, 23738400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3738400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4664572542).

3738400000 is an abundant number, since it is smaller than the sum of its proper divisors (5590745084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3738400000 is an frugal number, since it uses more digits than its factorization.

3738400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 3738400000 is about 61142.4566074998. The cubic root of 3738400000 is about 1552.0126473621.

Adding to 3738400000 its reverse (48373), we get a palindrome (3738448373).

The spelling of 3738400000 in words is "three billion, seven hundred thirty-eight million, four hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 625 640 800 1000 1250 1280 1600 2000 2500 3125 3200 4000 4673 5000 6250 6400 8000 9346 10000 12500 16000 18692 20000 23365 25000 32000 37384 40000 46730 50000 74768 80000 93460 100000 116825 149536 160000 186920 200000 233650 299072 373840 400000 467300 584125 598144 747680 800000 934600 1168250 1196288 1495360 1869200 2336500 2920625 2990720 3738400 4673000 5841250 5981440 7476800 9346000 11682500 14603125 14953600 18692000 23365000 29206250 29907200 37384000 46730000 58412500 74768000 93460000 116825000 149536000 186920000 233650000 373840000 467300000 747680000 934600000 1869200000 3738400000