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30542674 = 2109713921
BaseRepresentation
bin111010010000…
…0101101010010
32010110201200011
41310200231102
530304331144
63010345134
7520415461
oct164405522
963421604
1030542674
1116271188
12a28b1aa
136434cb6
1440b09d8
152a34a34
hex1d20b52

30542674 has 8 divisors (see below), whose sum is σ = 45859068. Its totient is φ = 15256320.

The previous prime is 30542669. The next prime is 30542717. The reversal of 30542674 is 47624503.

It can be written as a sum of positive squares in 2 ways, for example, as 30415225 + 127449 = 5515^2 + 357^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4767 + ... + 9154.

Almost surely, 230542674 is an apocalyptic number.

30542674 is a deficient number, since it is larger than the sum of its proper divisors (15316394).

30542674 is a wasteful number, since it uses less digits than its factorization.

30542674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15020.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 30542674 is about 5526.5426805554. The cubic root of 30542674 is about 312.5856371166.

The spelling of 30542674 in words is "thirty million, five hundred forty-two thousand, six hundred seventy-four".

Divisors: 1 2 1097 2194 13921 27842 15271337 30542674