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30699274 = 273283743
BaseRepresentation
bin111010100011…
…0111100001010
32010202200111011
41311012330022
530324334044
63013554134
7521640154
oct165067412
963680434
1030699274
1116368901
12a34594a
13648b368
144111ad4
152a66134
hex1d46f0a

30699274 has 16 divisors (see below), whose sum is σ = 46907712. Its totient is φ = 15065568.

The previous prime is 30699271. The next prime is 30699289. The reversal of 30699274 is 47299603.

It is not an unprimeable number, because it can be changed into a prime (30699271) 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, 40947 + ... + 41689.

It is an arithmetic number, because the mean of its divisors is an integer number (2931732).

Almost surely, 230699274 is an apocalyptic number.

30699274 is a deficient number, since it is larger than the sum of its proper divisors (16208438).

30699274 is a wasteful number, since it uses less digits than its factorization.

30699274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 30699274 is about 5540.6925559897. The cubic root of 30699274 is about 313.1189618133.

The spelling of 30699274 in words is "thirty million, six hundred ninety-nine thousand, two hundred seventy-four".

Divisors: 1 2 73 146 283 566 743 1486 20659 41318 54239 108478 210269 420538 15349637 30699274