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30165156 = 2233739901
BaseRepresentation
bin111001100010…
…0100010100100
32002202112211000
41303010202210
530210241111
62554313300
7514254030
oct163044244
962675730
1030165156
111603358a
12a128830
136332208
1440131c0
1529acc56
hex1cc48a4

30165156 has 48 divisors (see below), whose sum is σ = 89380480. Its totient is φ = 8618400.

The previous prime is 30165151. The next prime is 30165173. The reversal of 30165156 is 65156103.

It is a happy number.

30165156 is a `hidden beast` number, since 3 + 0 + 1 + 651 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30165151) 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, 19195 + ... + 20706.

Almost surely, 230165156 is an apocalyptic number.

30165156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30165156 is an abundant number, since it is smaller than the sum of its proper divisors (59215324).

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

30165156 is a wasteful number, since it uses less digits than its factorization.

30165156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39921 (or 39913 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 30165156 is about 5492.2814931502. The cubic root of 30165156 is about 311.2924053125.

The spelling of 30165156 in words is "thirty million, one hundred sixty-five thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 39901 79802 119703 159604 239406 279307 359109 478812 558614 718218 837921 1077327 1117228 1436436 1675842 2154654 2513763 3351684 4309308 5027526 7541289 10055052 15082578 30165156