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70238958 = 2331736929
BaseRepresentation
bin1000010111111…
…00001011101110
311220011111201220
410023330023232
5120440121313
610545244210
71512010206
oct413741356
9156144656
1070238958
1136714629
121b633666
131172351a
149485406
156276823
hex42fc2ee

70238958 has 16 divisors (see below), whose sum is σ = 140924880. Its totient is φ = 23338496.

The previous prime is 70238947. The next prime is 70238977. The reversal of 70238958 is 85983207.

It is a super-2 number, since 2×702389582 = 9867022441851528, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16563 + ... + 20366.

It is an arithmetic number, because the mean of its divisors is an integer number (8807805).

Almost surely, 270238958 is an apocalyptic number.

70238958 is an abundant number, since it is smaller than the sum of its proper divisors (70685922).

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

70238958 is a wasteful number, since it uses less digits than its factorization.

70238958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37251.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 70238958 is about 8380.8685707390. The cubic root of 70238958 is about 412.5969564560.

The spelling of 70238958 in words is "seventy million, two hundred thirty-eight thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 317 634 951 1902 36929 73858 110787 221574 11706493 23412986 35119479 70238958