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30675792 = 243791297
BaseRepresentation
bin111010100000…
…1001101010000
32010201111021110
41311001031100
530323111132
63013253320
7521511540
oct165011520
963644243
1030675792
11163521a4
12a334240
136480774
144107320
152a5e1cc
hex1d41350

30675792 has 40 divisors (see below), whose sum is σ = 90567616. Its totient is φ = 8764416.

The previous prime is 30675787. The next prime is 30675797. The reversal of 30675792 is 29757603.

It is an interprime number because it is at equal distance from previous prime (30675787) and next prime (30675797).

It is a self number, because there is not a number n which added to its sum of digits gives 30675792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30675797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45313 + ... + 45984.

Almost surely, 230675792 is an apocalyptic number.

It is an amenable number.

30675792 is an abundant number, since it is smaller than the sum of its proper divisors (59891824).

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

30675792 is a wasteful number, since it uses less digits than its factorization.

30675792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91315 (or 91309 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 30675792 is about 5538.5731014405. The cubic root of 30675792 is about 313.0391061252.

The spelling of 30675792 in words is "thirty million, six hundred seventy-five thousand, seven hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 91297 182594 273891 365188 547782 639079 730376 1095564 1278158 1460752 1917237 2191128 2556316 3834474 4382256 5112632 7668948 10225264 15337896 30675792