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305870134 = 2297017523
BaseRepresentation
bin10010001110110…
…011010100110110
3210022112210221111
4102032303110312
51111300321014
650203505234
710402565443
oct2216632466
9708483844
10305870134
11147723839
128652821a
134b4a495b
142c8a09ca
151bcbd2c4
hex123b3536

305870134 has 16 divisors (see below), whose sum is σ = 475366320. Its totient is φ = 147431200.

The previous prime is 305870107. The next prime is 305870153. The reversal of 305870134 is 431078503.

It is a junction number, because it is equal to n+sod(n) for n = 305870096 and 305870105.

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, 36897 + ... + 44419.

It is an arithmetic number, because the mean of its divisors is an integer number (29710395).

Almost surely, 2305870134 is an apocalyptic number.

305870134 is a deficient number, since it is larger than the sum of its proper divisors (169496186).

305870134 is a wasteful number, since it uses less digits than its factorization.

305870134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 305870134 is about 17489.1433180702. The cubic root of 305870134 is about 673.7710672503.

The spelling of 305870134 in words is "three hundred five million, eight hundred seventy thousand, one hundred thirty-four".

Divisors: 1 2 29 58 701 1402 7523 15046 20329 40658 218167 436334 5273623 10547246 152935067 305870134