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445467972 = 22383447257
BaseRepresentation
bin11010100011010…
…100110101000100
31011001020010011210
4122203110311010
51403014433342
6112111531420
714016262305
oct3243246504
91131203153
10445467972
11209500754
12105229b70
13713a0c21
144323c7ac
152919579c
hex1a8d4d44

445467972 has 24 divisors (see below), whose sum is σ = 1051950816. Its totient is φ = 146699968.

The previous prime is 445467961. The next prime is 445468019. The reversal of 445467972 is 279764544.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 222633 + ... + 224624.

It is an arithmetic number, because the mean of its divisors is an integer number (43831284).

Almost surely, 2445467972 is an apocalyptic number.

It is an amenable number.

445467972 is an abundant number, since it is smaller than the sum of its proper divisors (606482844).

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

445467972 is a wasteful number, since it uses less digits than its factorization.

445467972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447347 (or 447345 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 445467972 is about 21106.1121952860. The cubic root of 445467972 is about 763.7282025239.

The spelling of 445467972 in words is "four hundred forty-five million, four hundred sixty-seven thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 447257 894514 1341771 1789028 2683542 5367084 37122331 74244662 111366993 148489324 222733986 445467972