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3750829920 = 253252604743
BaseRepresentation
bin1101111110010001…
…0001111101100000
3100200101211220100200
43133210101331200
530140203024140
61420105145200
7161643346125
oct33744217540
910611756320
103750829920
111655278042
1288818b200
1347a10c9b6
1427821274c
1516e457030
hexdf911f60

3750829920 has 72 divisors (see below), whose sum is σ = 12799712016. Its totient is φ = 1000220928.

The previous prime is 3750829891. The next prime is 3750829921. The reversal of 3750829920 is 299280573.

3750829920 is a `hidden beast` number, since 37 + 508 + 2 + 99 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3750829921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1300932 + ... + 1303811.

It is an arithmetic number, because the mean of its divisors is an integer number (177773778).

Almost surely, 23750829920 is an apocalyptic number.

3750829920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3750829920 is an abundant number, since it is smaller than the sum of its proper divisors (9048882096).

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

3750829920 is a wasteful number, since it uses less digits than its factorization.

3750829920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604764 (or 2604753 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 3750829920 is about 61244.0194631280. The cubic root of 3750829920 is about 1553.7308558297.

The spelling of 3750829920 in words is "three billion, seven hundred fifty million, eight hundred twenty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 2604743 5209486 7814229 10418972 13023715 15628458 20837944 23442687 26047430 31256916 39071145 41675888 46885374 52094860 62513832 78142290 83351776 93770748 104189720 117213435 125027664 156284580 187541496 208379440 234426870 250055328 312569160 375082992 416758880 468853740 625138320 750165984 937707480 1250276640 1875414960 3750829920