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230657106 = 2347817933
BaseRepresentation
bin11011011111110…
…00110001010010
3121002000121001210
431233320301102
5433022011411
634515440550
75500360461
oct1557706122
9532017053
10230657106
11109222109
12652b6156
1338a2c3c4
14228c29d8
15153b2ca6
hexdbf8c52

230657106 has 16 divisors (see below), whose sum is σ = 471129984. Its totient is φ = 75249744.

The previous prime is 230657057. The next prime is 230657111. The reversal of 230657106 is 601756032.

It is a Curzon 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, 408685 + ... + 409248.

It is an arithmetic number, because the mean of its divisors is an integer number (29445624).

Almost surely, 2230657106 is an apocalyptic number.

230657106 is an abundant number, since it is smaller than the sum of its proper divisors (240472878).

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

230657106 is a wasteful number, since it uses less digits than its factorization.

230657106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817985.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 230657106 is about 15187.3995799149. The cubic root of 230657106 is about 613.2754967385.

The spelling of 230657106 in words is "two hundred thirty million, six hundred fifty-seven thousand, one hundred six".

Divisors: 1 2 3 6 47 94 141 282 817933 1635866 2453799 4907598 38442851 76885702 115328553 230657106