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30547164 = 223171371093
BaseRepresentation
bin111010010000…
…1110011011100
32010110221211110
41310201303130
530310002124
63010422020
7520434534
oct164416334
963427743
1030547164
111627459a
12a291910
13643705b
1440b24c4
152a36029
hex1d21cdc

30547164 has 48 divisors (see below), whose sum is σ = 76089888. Its totient is φ = 9504768.

The previous prime is 30547159. The next prime is 30547171. The reversal of 30547164 is 46174503.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 27402 + ... + 28494.

It is an arithmetic number, because the mean of its divisors is an integer number (1585206).

Almost surely, 230547164 is an apocalyptic number.

30547164 is a gapful number since it is divisible by the number (34) 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 30547164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38044944).

30547164 is an abundant number, since it is smaller than the sum of its proper divisors (45542724).

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

30547164 is a wasteful number, since it uses less digits than its factorization.

30547164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30547164 is about 5526.9488870443. The cubic root of 30547164 is about 312.6009538365.

The spelling of 30547164 in words is "thirty million, five hundred forty-seven thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 137 204 274 411 548 822 1093 1644 2186 2329 3279 4372 4658 6558 6987 9316 13116 13974 18581 27948 37162 55743 74324 111486 149741 222972 299482 449223 598964 898446 1796892 2545597 5091194 7636791 10182388 15273582 30547164