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306161430 = 23510205381
BaseRepresentation
bin10010001111111…
…010011100010110
3210100002121112020
4102033322130112
51111334131210
650214034010
710405220631
oct2217723426
9710077466
10306161430
11147902683
1286648906
134b577413
142c938c18
151bd29770
hex123fa716

306161430 has 16 divisors (see below), whose sum is σ = 734787504. Its totient is φ = 81643040.

The previous prime is 306161417. The next prime is 306161447. The reversal of 306161430 is 34161603.

It is a self number, because there is not a number n which added to its sum of digits gives 306161430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5102661 + ... + 5102720.

It is an arithmetic number, because the mean of its divisors is an integer number (45924219).

Almost surely, 2306161430 is an apocalyptic number.

306161430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306161430 is an abundant number, since it is smaller than the sum of its proper divisors (428626074).

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

306161430 is a wasteful number, since it uses less digits than its factorization.

306161430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205391.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 306161430 is about 17497.4692455795. The cubic root of 306161430 is about 673.9848884366.

The spelling of 306161430 in words is "three hundred six million, one hundred sixty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 10205381 20410762 30616143 51026905 61232286 102053810 153080715 306161430