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70223814 = 2331737517
BaseRepresentation
bin1000010111110…
…00011111000110
311220010201222000
410023320133012
5120434130224
610545050130
71511615103
oct413703706
9156121860
1070223814
1136704211
121b626946
131171966b
14947daaa
1562720c9
hex42f87c6

70223814 has 32 divisors (see below), whose sum is σ = 156975840. Its totient is φ = 23269536.

The previous prime is 70223801. The next prime is 70223827. The reversal of 70223814 is 41832207.

It is an interprime number because it is at equal distance from previous prime (70223801) and next prime (70223827).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (4905495).

Almost surely, 270223814 is an apocalyptic number.

70223814 is an abundant number, since it is smaller than the sum of its proper divisors (86752026).

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

70223814 is a wasteful number, since it uses less digits than its factorization.

70223814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7701 (or 7695 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70223814 is about 8379.9650357266. The cubic root of 70223814 is about 412.5673014155.

The spelling of 70223814 in words is "seventy million, two hundred twenty-three thousand, eight hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 173 346 519 1038 1557 3114 4671 7517 9342 15034 22551 45102 67653 135306 202959 405918 1300441 2600882 3901323 7802646 11703969 23407938 35111907 70223814