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231738882 = 2338623147
BaseRepresentation
bin11011101000000…
…00111000000010
3121011001112222120
431310000320002
5433311121012
634554545110
75512514364
oct1564007002
9534045876
10231738882
111098a0941
1265738196
133901a8cb
1422ac4d34
151552858c
hexdd00e02

231738882 has 8 divisors (see below), whose sum is σ = 463477776. Its totient is φ = 77246292.

The previous prime is 231738841. The next prime is 231738967. The reversal of 231738882 is 288837132.

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

231738882 is an admirable 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, 19311568 + ... + 19311579.

It is an arithmetic number, because the mean of its divisors is an integer number (57934722).

Almost surely, 2231738882 is an apocalyptic number.

231738882 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.

231738882 is a wasteful number, since it uses less digits than its factorization.

231738882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38623152.

The product of its digits is 129024, while the sum is 42.

The square root of 231738882 is about 15222.9721802281. The cubic root of 231738882 is about 614.2327506578.

The spelling of 231738882 in words is "two hundred thirty-one million, seven hundred thirty-eight thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 38623147 77246294 115869441 231738882