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30514156 = 2211236793
BaseRepresentation
bin111010001100…
…1101111101100
32010102021112221
41310121233230
530302423111
63010005124
7520236361
oct164315754
963367487
1030514156
1116251812
12a2767a4
13642501a
1440a4468
152a2b371
hex1d19bec

30514156 has 12 divisors (see below), whose sum is σ = 53455192. Its totient is φ = 15241248.

The previous prime is 30514129. The next prime is 30514189. The reversal of 30514156 is 65141503.

It is a super-2 number, since 2×305141562 = 1862227432784672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30514156.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096 + ... + 7888.

Almost surely, 230514156 is an apocalyptic number.

It is an amenable number.

30514156 is a deficient number, since it is larger than the sum of its proper divisors (22941036).

30514156 is a wasteful number, since it uses less digits than its factorization.

30514156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920 (or 7918 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 30514156 is about 5523.9619839387. The cubic root of 30514156 is about 312.4883187100.

Adding to 30514156 its reverse (65141503), we get a palindrome (95655659).

The spelling of 30514156 in words is "thirty million, five hundred fourteen thousand, one hundred fifty-six".

Divisors: 1 2 4 1123 2246 4492 6793 13586 27172 7628539 15257078 30514156