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30513116 = 228985711
BaseRepresentation
bin111010001100…
…1011111011100
32010102020010102
41310121133130
530302404431
63010000232
7520233344
oct164313734
963366112
1030513116
1116250a57
12a276078
1364246ca
1440a3d24
152a2adcb
hex1d197dc

30513116 has 12 divisors (see below), whose sum is σ = 53998560. Its totient is φ = 15084960.

The previous prime is 30513097. The next prime is 30513127. The reversal of 30513116 is 61131503.

It is a happy number.

It is a congruent number.

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, 42500 + ... + 43211.

It is an arithmetic number, because the mean of its divisors is an integer number (4499880).

Almost surely, 230513116 is an apocalyptic number.

It is an amenable number.

30513116 is a deficient number, since it is larger than the sum of its proper divisors (23485444).

30513116 is a wasteful number, since it uses less digits than its factorization.

30513116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85804 (or 85802 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 30513116 is about 5523.8678478037. The cubic root of 30513116 is about 312.4847685376.

Adding to 30513116 its reverse (61131503), we get a palindrome (91644619).

The spelling of 30513116 in words is "thirty million, five hundred thirteen thousand, one hundred sixteen".

Divisors: 1 2 4 89 178 356 85711 171422 342844 7628279 15256558 30513116