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30814916 = 2211700339
BaseRepresentation
bin111010110001…
…1001011000100
32010222120010012
41311203023010
530342034131
63020245352
7522631256
oct165431304
963876105
1030814916
1116437780
12a3a0858
1364cbba2
144141cd6
152a8a52b
hex1d632c4

30814916 has 12 divisors (see below), whose sum is σ = 58828560. Its totient is φ = 14006760.

The previous prime is 30814913. The next prime is 30814919. The reversal of 30814916 is 61941803.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30814913) and next prime (30814919).

It is not an unprimeable number, because it can be changed into a prime (30814913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350126 + ... + 350213.

It is an arithmetic number, because the mean of its divisors is an integer number (4902380).

Almost surely, 230814916 is an apocalyptic number.

It is an amenable number.

30814916 is a deficient number, since it is larger than the sum of its proper divisors (28013644).

30814916 is a wasteful number, since it uses less digits than its factorization.

30814916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700354 (or 700352 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 30814916 is about 5551.1184458630. The cubic root of 30814916 is about 313.5116348499.

It can be divided in two parts, 3081 and 4916, that added together give a palindrome (7997).

The spelling of 30814916 in words is "thirty million, eight hundred fourteen thousand, nine hundred sixteen".

Divisors: 1 2 4 11 22 44 700339 1400678 2801356 7703729 15407458 30814916