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238516134 = 23374792243
BaseRepresentation
bin11100011011101…
…11011110100110
3121121210212121220
432031313132212
5442030004014
635400121210
75624232213
oct1615673646
9547725556
10238516134
111126aa77a
1267a66206
133a55160c
142396ab0a
1515e166a9
hexe3777a6

238516134 has 32 divisors (see below), whose sum is σ = 491166720. Its totient is φ = 77160672.

The previous prime is 238516133. The next prime is 238516153. The reversal of 238516134 is 431615832.

It is a junction number, because it is equal to n+sod(n) for n = 238516095 and 238516104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238516133) 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, 105217 + ... + 107459.

It is an arithmetic number, because the mean of its divisors is an integer number (15348960).

Almost surely, 2238516134 is an apocalyptic number.

238516134 is an abundant number, since it is smaller than the sum of its proper divisors (252650586).

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

238516134 is a wasteful number, since it uses less digits than its factorization.

238516134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764.

The product of its digits is 17280, while the sum is 33.

The square root of 238516134 is about 15443.9675601835. The cubic root of 238516134 is about 620.1630979170.

The spelling of 238516134 in words is "two hundred thirty-eight million, five hundred sixteen thousand, one hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 479 958 1437 2243 2874 4486 6729 13458 17723 35446 53169 82991 106338 165982 248973 497946 1074397 2148794 3223191 6446382 39752689 79505378 119258067 238516134