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30674593 = 311516553
BaseRepresentation
bin111010100000…
…0111010100001
32010201102122001
41311000322201
530323041333
63013244001
7521505205
oct165007241
963642561
1030674593
1116351304
12a333601
136480061
144106b05
152a5db7d
hex1d40ea1

30674593 has 8 divisors (see below), whose sum is σ = 31878656. Its totient is φ = 29484000.

The previous prime is 30674587. The next prime is 30674599. The reversal of 30674593 is 39547603.

It is an interprime number because it is at equal distance from previous prime (30674587) and next prime (30674599).

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

It is a cyclic number.

It is not a de Polignac number, because 30674593 - 25 = 30674561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30674599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1405 + ... + 7957.

It is an arithmetic number, because the mean of its divisors is an integer number (3984832).

Almost surely, 230674593 is an apocalyptic number.

It is an amenable number.

30674593 is a deficient number, since it is larger than the sum of its proper divisors (1204063).

30674593 is a wasteful number, since it uses less digits than its factorization.

30674593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 30674593 is about 5538.4648595076. The cubic root of 30674593 is about 313.0350275695.

The spelling of 30674593 in words is "thirty million, six hundred seventy-four thousand, five hundred ninety-three".

Divisors: 1 31 151 4681 6553 203143 989503 30674593