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2345142400 = 2752769953
BaseRepresentation
bin1000101111001000…
…0000100010000000
320001102210120120221
42023302000202000
514300324024100
61024412312424
7112054244566
oct21362004200
96042716527
102345142400
11aa3854217
12555472714
132b4b1c533
1418365da36
15dad3c01a
hex8bc80880

2345142400 has 96 divisors (see below), whose sum is σ = 5806854900. Its totient is φ = 935854080.

The previous prime is 2345142383. The next prime is 2345142487. The reversal of 2345142400 is 42415432.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 633830976 + 1711311424 = 25176^2 + 41368^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2460324 + ... + 2461276.

Almost surely, 22345142400 is an apocalyptic number.

2345142400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345142400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903427450).

2345142400 is an abundant number, since it is smaller than the sum of its proper divisors (3461712500).

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

2345142400 is an equidigital number, since it uses as much as digits as its factorization.

2345142400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1729 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2345142400 is about 48426.6703377385. The cubic root of 2345142400 is about 1328.5862075447.

Adding to 2345142400 its reverse (42415432), we get a palindrome (2387557832).

The spelling of 2345142400 in words is "two billion, three hundred forty-five million, one hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 769 800 953 1538 1600 1906 3076 3200 3812 3845 4765 6152 7624 7690 9530 12304 15248 15380 19060 19225 23825 24608 30496 30760 38120 38450 47650 49216 60992 61520 76240 76900 95300 98432 121984 123040 152480 153800 190600 246080 304960 307600 381200 492160 609920 615200 732857 762400 1230400 1465714 1524800 2460800 2931428 3049600 3664285 5862856 7328570 11725712 14657140 18321425 23451424 29314280 36642850 46902848 58628560 73285700 93805696 117257120 146571400 234514240 293142800 469028480 586285600 1172571200 2345142400