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439652052 = 223273494999
BaseRepresentation
bin11010001101001…
…000111011010100
31010122021122020100
4122031020323110
51400022331202
6111343134100
713615660260
oct3215107324
91118248210
10439652052
11206199104
121032a4330
1370115958
14425670a0
15288e741c
hex1a348ed4

439652052 has 72 divisors (see below), whose sum is σ = 1274000000. Its totient is φ = 125229888.

The previous prime is 439652033. The next prime is 439652069. The reversal of 439652052 is 250256934.

439652052 is a `hidden beast` number, since 43 + 96 + 520 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 439651998 and 439652016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85449 + ... + 90447.

Almost surely, 2439652052 is an apocalyptic number.

439652052 is a gapful number since it is divisible by the number (42) 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 439652052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637000000).

439652052 is an abundant number, since it is smaller than the sum of its proper divisors (834347948).

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

439652052 is a wasteful number, since it uses less digits than its factorization.

439652052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365 (or 5360 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 439652052 is about 20967.8814380471. The cubic root of 439652052 is about 760.3899499318.

The spelling of 439652052 in words is "four hundred thirty-nine million, six hundred fifty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 349 698 1047 1396 2094 2443 3141 4188 4886 4999 6282 7329 9772 9998 12564 14658 14997 19996 21987 29316 29994 34993 43974 44991 59988 69986 87948 89982 104979 139972 179964 209958 314937 419916 629874 1259748 1744651 3489302 5233953 6978604 10467906 12212557 15701859 20935812 24425114 31403718 36637671 48850228 62807436 73275342 109913013 146550684 219826026 439652052