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231053502 = 2338508917
BaseRepresentation
bin11011100010110…
…01100010111110
3121002202201211010
431301121202332
5433122203002
634532140050
75503631241
oct1561314276
9532681733
10231053502
11109472a09
1265467626
1338b3a964
1422987258
151544046c
hexdc598be

231053502 has 8 divisors (see below), whose sum is σ = 462107016. Its totient is φ = 77017832.

The previous prime is 231053483. The next prime is 231053519. The reversal of 231053502 is 205350132.

231053502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

231053502 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19254453 + ... + 19254464.

It is an arithmetic number, because the mean of its divisors is an integer number (57763377).

Almost surely, 2231053502 is an apocalyptic number.

231053502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231053502 is a wasteful number, since it uses less digits than its factorization.

231053502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38508922.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 231053502 is about 15200.4441382481. Note that the first 3 decimals coincide. The cubic root of 231053502 is about 613.6266107521.

The spelling of 231053502 in words is "two hundred thirty-one million, fifty-three thousand, five hundred two".

Divisors: 1 2 3 6 38508917 77017834 115526751 231053502