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30940292 = 2223393307
BaseRepresentation
bin111011000000…
…1110010000100
32011012221002202
41312001302010
530410042132
63023054032
7523662635
oct166016204
964187082
1030940292
1116512999
12a441318
136543c86
14417588c
152ab2762
hex1d81c84

30940292 has 12 divisors (see below), whose sum is σ = 54185040. Its totient is φ = 15458856.

The previous prime is 30940291. The next prime is 30940319. The reversal of 30940292 is 29204903.

It is not an unprimeable number, because it can be changed into a prime (30940291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7703 + ... + 11009.

It is an arithmetic number, because the mean of its divisors is an integer number (4515420).

Almost surely, 230940292 is an apocalyptic number.

It is an amenable number.

30940292 is a deficient number, since it is larger than the sum of its proper divisors (23244748).

30940292 is a wasteful number, since it uses less digits than its factorization.

30940292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650 (or 5648 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 30940292 is about 5562.3998417949. The cubic root of 30940292 is about 313.9362522218.

The spelling of 30940292 in words is "thirty million, nine hundred forty thousand, two hundred ninety-two".

Divisors: 1 2 4 2339 3307 4678 6614 9356 13228 7735073 15470146 30940292