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70233088 = 210107641
BaseRepresentation
bin1000010111110…
…10110000000000
311220011012200111
410023322300000
5120434424323
610545201104
71511654122
oct413726000
9156135614
1070233088
1136710182
121b630194
1311720953
149483212
156274c0d
hex42fac00

70233088 has 44 divisors (see below), whose sum is σ = 141930792. Its totient is φ = 34734080.

The previous prime is 70233083. The next prime is 70233089. The reversal of 70233088 is 88033207.

It is not an unprimeable number, because it can be changed into a prime (70233083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109248 + ... + 109888.

Almost surely, 270233088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70233088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70965396).

70233088 is an abundant number, since it is smaller than the sum of its proper divisors (71697704).

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

70233088 is a wasteful number, since it uses less digits than its factorization.

70233088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70233088 is about 8380.5183610562. The cubic root of 70233088 is about 412.5854623048.

The spelling of 70233088 in words is "seventy million, two hundred thirty-three thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 64 107 128 214 256 428 512 641 856 1024 1282 1712 2564 3424 5128 6848 10256 13696 20512 27392 41024 54784 68587 82048 109568 137174 164096 274348 328192 548696 656384 1097392 2194784 4389568 8779136 17558272 35116544 70233088