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445242504 = 233719139487
BaseRepresentation
bin11010100010011…
…101110010001000
31011000210122220010
4122202131302020
51402440230004
6112103031520
714014333050
oct3242356210
91130718803
10445242504
11209367313
1210513b5a0
1371322405
14431c0560
152914da89
hex1a89dc88

445242504 has 64 divisors (see below), whose sum is σ = 1339084800. Its totient is φ = 120515904.

The previous prime is 445242503. The next prime is 445242509. The reversal of 445242504 is 405242544.

It is not an unprimeable number, because it can be changed into a prime (445242503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66552 + ... + 72935.

It is an arithmetic number, because the mean of its divisors is an integer number (20923200).

Almost surely, 2445242504 is an apocalyptic number.

It is an amenable number.

445242504 is an abundant number, since it is smaller than the sum of its proper divisors (893842296).

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

445242504 is a wasteful number, since it uses less digits than its factorization.

445242504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139522 (or 139518 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 445242504 is about 21100.7702229089. The cubic root of 445242504 is about 763.5993303108.

The spelling of 445242504 in words is "four hundred forty-five million, two hundred forty-two thousand, five hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 76 84 114 133 152 168 228 266 399 456 532 798 1064 1596 3192 139487 278974 418461 557948 836922 976409 1115896 1673844 1952818 2650253 2929227 3347688 3905636 5300506 5858454 7811272 7950759 10601012 11716908 15901518 18551771 21202024 23433816 31803036 37103542 55655313 63606072 74207084 111310626 148414168 222621252 445242504