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30692169 = 334192713
BaseRepresentation
bin111010100010…
…1001101001001
32010202022202000
41311011031021
530324122134
63013501213
7521610354
oct165051511
963668660
1030692169
1116363532
12a341809
136488061
14410d29b
152a63e99
hex1d45349

30692169 has 16 divisors (see below), whose sum is σ = 45595200. Its totient is φ = 20405088.

The previous prime is 30692131. The next prime is 30692177. The reversal of 30692169 is 96129603.

It is not a de Polignac number, because 30692169 - 27 = 30692041 is a prime.

It is a super-2 number, since 2×306921692 = 1884018475849122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30692119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9957 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (2849700).

Almost surely, 230692169 is an apocalyptic number.

It is an amenable number.

30692169 is a deficient number, since it is larger than the sum of its proper divisors (14903031).

30692169 is a wasteful number, since it uses less digits than its factorization.

30692169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141 (or 3135 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 30692169 is about 5540.0513535526. The cubic root of 30692169 is about 313.0948040013.

The spelling of 30692169 in words is "thirty million, six hundred ninety-two thousand, one hundred sixty-nine".

Divisors: 1 3 9 27 419 1257 2713 3771 8139 11313 24417 73251 1136747 3410241 10230723 30692169