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30679774 = 230375051
BaseRepresentation
bin111010100001…
…0001011011110
32010201200201221
41311002023132
530323223044
63013323554
7521526256
oct165021336
963650657
1030679774
1116355194
12a3365ba
136482518
144108966
152a60484
hex1d422de

30679774 has 8 divisors (see below), whose sum is σ = 46043928. Its totient is φ = 15331800.

The previous prime is 30679751. The next prime is 30679777. The reversal of 30679774 is 47797603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30679774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30679777) 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 3 ways as a sum of consecutive naturals, for example, 3549 + ... + 8599.

It is an arithmetic number, because the mean of its divisors is an integer number (5755491).

Almost surely, 230679774 is an apocalyptic number.

30679774 is a deficient number, since it is larger than the sum of its proper divisors (15364154).

30679774 is a wasteful number, since it uses less digits than its factorization.

30679774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090.

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 30679774 is about 5538.9325686453. The cubic root of 30679774 is about 313.0526506577.

The spelling of 30679774 in words is "thirty million, six hundred seventy-nine thousand, seven hundred seventy-four".

Divisors: 1 2 3037 5051 6074 10102 15339887 30679774