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230667942 = 23193316113
BaseRepresentation
bin11011011111110…
…11011010100110
3121002001010221010
431233323122212
5433022333232
634520003050
75500434201
oct1557733246
9532033833
10230667942
1110922a26a
1265300486
1338a3430b
14228c6938
15153b60cc
hexdbfb6a6

230667942 has 32 divisors (see below), whose sum is σ = 487163520. Its totient is φ = 72610560.

The previous prime is 230667937. The next prime is 230667947. The reversal of 230667942 is 249766032.

It is an interprime number because it is at equal distance from previous prime (230667937) and next prime (230667947).

It is a self number, because there is not a number n which added to its sum of digits gives 230667942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230667947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34678 + ... + 40790.

It is an arithmetic number, because the mean of its divisors is an integer number (15223860).

Almost surely, 2230667942 is an apocalyptic number.

230667942 is an abundant number, since it is smaller than the sum of its proper divisors (256495578).

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

230667942 is a wasteful number, since it uses less digits than its factorization.

230667942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 230667942 is about 15187.7563188247. The cubic root of 230667942 is about 613.2851002424.

The spelling of 230667942 in words is "two hundred thirty million, six hundred sixty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 331 662 993 1986 6113 6289 12226 12578 18339 18867 36678 37734 116147 232294 348441 696882 2023403 4046806 6070209 12140418 38444657 76889314 115333971 230667942