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231070476 = 2237213193743
BaseRepresentation
bin11011100010111…
…01101100001100
3121002210121002210
431301131230030
5433123223401
634532350420
75504031600
oct1561355414
9532717083
10231070476
1110948473a
1265475410
1338b455c0
142298d500
15154454d6
hexdc5db0c

231070476 has 288 divisors, whose sum is σ = 747183360. Its totient is φ = 54867456.

The previous prime is 231070451. The next prime is 231070487. The reversal of 231070476 is 674070132.

231070476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5373711 + ... + 5373753.

Almost surely, 2231070476 is an apocalyptic number.

231070476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231070476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373591680).

231070476 is an abundant number, since it is smaller than the sum of its proper divisors (516112884).

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

231070476 is a wasteful number, since it uses less digits than its factorization.

231070476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 231070476 is about 15201.0024669428. The cubic root of 231070476 is about 613.6416367712.

The spelling of 231070476 in words is "two hundred thirty-one million, seventy thousand, four hundred seventy-six".