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30770716 = 2225912969
BaseRepresentation
bin111010101100…
…0011000011100
32010220022111011
41311120120130
530334130331
63015305004
7522355354
oct165303034
963808434
1030770716
1116407549
12a37b164
1364b4a32
14412db64
152a7c3b1
hex1d5861c

30770716 has 12 divisors (see below), whose sum is σ = 53887680. Its totient is φ = 15374240.

The previous prime is 30770713. The next prime is 30770749. The reversal of 30770716 is 61707703.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30770713) 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, 8880 + ... + 11848.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 230770716 is an apocalyptic number.

It is an amenable number.

30770716 is a deficient number, since it is larger than the sum of its proper divisors (23116964).

30770716 is a wasteful number, since it uses less digits than its factorization.

30770716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564 (or 5562 counting only the distinct ones).

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 30770716 is about 5547.1358375291. The cubic root of 30770716 is about 313.3616658652.

The spelling of 30770716 in words is "thirty million, seven hundred seventy thousand, seven hundred sixteen".

Divisors: 1 2 4 2591 2969 5182 5938 10364 11876 7692679 15385358 30770716