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70378716 = 2237380341
BaseRepresentation
bin1000011000111…
…10010011011100
311220102121110010
410030132103130
5121004104331
610552243220
71513131522
oct414362334
9156377403
1070378716
11367aa631
121b6a0510
1311772015
1494c0312
1562a2e46
hex431e4dc

70378716 has 24 divisors (see below), whose sum is σ = 166468624. Its totient is φ = 23137920.

The previous prime is 70378709. The next prime is 70378723. The reversal of 70378716 is 61787307.

It is an interprime number because it is at equal distance from previous prime (70378709) and next prime (70378723).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39295 + ... + 41046.

Almost surely, 270378716 is an apocalyptic number.

It is an amenable number.

70378716 is an abundant number, since it is smaller than the sum of its proper divisors (96089908).

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

70378716 is a wasteful number, since it uses less digits than its factorization.

70378716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80421 (or 80419 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 70378716 is about 8389.2023458729. The cubic root of 70378716 is about 412.8704301513.

It can be divided in two parts, 7037 and 8716, that added together give a triangular number (15753 = T177).

The spelling of 70378716 in words is "seventy million, three hundred seventy-eight thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 80341 160682 241023 321364 482046 964092 5864893 11729786 17594679 23459572 35189358 70378716