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30775692 = 2236414001
BaseRepresentation
bin111010101100…
…1100110001100
32010220120022110
41311121212030
530334310232
63015344020
7522406023
oct165314614
963816273
1030775692
1116410262
12a382010
1364b708c
1441318ba
152a7dacc
hex1d5998c

30775692 has 24 divisors (see below), whose sum is σ = 71939952. Its totient is φ = 10240000.

The previous prime is 30775691. The next prime is 30775711. The reversal of 30775692 is 29657703.

It is a self number, because there is not a number n which added to its sum of digits gives 30775692.

It is not an unprimeable number, because it can be changed into a prime (30775691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5692 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (2997498).

Almost surely, 230775692 is an apocalyptic number.

It is an amenable number.

30775692 is an abundant number, since it is smaller than the sum of its proper divisors (41164260).

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

30775692 is a wasteful number, since it uses less digits than its factorization.

30775692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649 (or 4647 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 30775692 is about 5547.5843391516. The cubic root of 30775692 is about 313.3785564222.

The spelling of 30775692 in words is "thirty million, seven hundred seventy-five thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 641 1282 1923 2564 3846 4001 7692 8002 12003 16004 24006 48012 2564641 5129282 7693923 10258564 15387846 30775692