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6245904 = 243729641
BaseRepresentation
bin10111110100111000010000
3102202022202210
4113310320100
53044332104
6341512120
7104042430
oct27647020
912668683
106245904
113586705
122112640
1313a8c02
14b882c0
15835989
hex5f4e10

6245904 has 80 divisors (see below), whose sum is σ = 19105920. Its totient is φ = 1720320.

The previous prime is 6245887. The next prime is 6245909. The reversal of 6245904 is 4095426.

It is a super-2 number, since 2×62459042 = 78022633554432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9424 + ... + 10064.

It is an arithmetic number, because the mean of its divisors is an integer number (238824).

Almost surely, 26245904 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 6245904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9552960).

6245904 is an abundant number, since it is smaller than the sum of its proper divisors (12860016).

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

6245904 is a wasteful number, since it uses less digits than its factorization.

6245904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 6245904 is about 2499.1806657383. The cubic root of 6245904 is about 184.1613266903.

The spelling of 6245904 in words is "six million, two hundred forty-five thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 29 42 48 56 58 84 87 112 116 168 174 203 232 336 348 406 464 609 641 696 812 1218 1282 1392 1624 1923 2436 2564 3248 3846 4487 4872 5128 7692 8974 9744 10256 13461 15384 17948 18589 26922 30768 35896 37178 53844 55767 71792 74356 107688 111534 130123 148712 215376 223068 260246 297424 390369 446136 520492 780738 892272 1040984 1561476 2081968 3122952 6245904