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30655214 = 234674421
BaseRepresentation
bin111010011110…
…0001011101110
32010200110001022
41310330023232
530321431324
63013014142
7521364542
oct164741356
963613038
1030655214
1116338797
12a324352
1364742a5
1440dda22
152a5805e
hex1d3c2ee

30655214 has 8 divisors (see below), whose sum is σ = 46006488. Its totient is φ = 15319720.

The previous prime is 30655181. The next prime is 30655223. The reversal of 30655214 is 41255603.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4724 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (5750811).

Almost surely, 230655214 is an apocalyptic number.

30655214 is a deficient number, since it is larger than the sum of its proper divisors (15351274).

30655214 is a wasteful number, since it uses less digits than its factorization.

30655214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7890.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30655214 is about 5536.7150910987. The cubic root of 30655214 is about 312.9690926144.

The spelling of 30655214 in words is "thirty million, six hundred fifty-five thousand, two hundred fourteen".

Divisors: 1 2 3467 4421 6934 8842 15327607 30655214