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306042310 = 25719230107
BaseRepresentation
bin10010001111011…
…101010111000110
3210022212120010101
4102033131113012
51111321323220
650211314314
710404213430
oct2217352706
9708776111
10306042310
11147831132
12865ab99a
134b535132
142c907650
151bd0430a
hex123dd5c6

306042310 has 32 divisors (see below), whose sum is σ = 662711040. Its totient is φ = 99405792.

The previous prime is 306042293. The next prime is 306042311. The reversal of 306042310 is 13240603.

306042310 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3060423102 = 187323791020272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306042311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113724 + ... + 116383.

It is an arithmetic number, because the mean of its divisors is an integer number (20709720).

Almost surely, 2306042310 is an apocalyptic number.

306042310 is an abundant number, since it is smaller than the sum of its proper divisors (356668730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306042310 is a wasteful number, since it uses less digits than its factorization.

306042310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230140.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 306042310 is about 17494.0649935914. The cubic root of 306042310 is about 673.8974666969.

Adding to 306042310 its reverse (13240603), we get a palindrome (319282913).

The spelling of 306042310 in words is "three hundred six million, forty-two thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 19 35 38 70 95 133 190 266 665 1330 230107 460214 1150535 1610749 2301070 3221498 4372033 8053745 8744066 16107490 21860165 30604231 43720330 61208462 153021155 306042310