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70964540 = 22510733161
BaseRepresentation
bin1000011101011…
…01010100111100
311221112101001022
410032231110330
5121131331130
611013003312
71521121463
oct416552474
9157471038
1070964540
113706a789
121b923538
131191886a
1495d39da
15636b7e5
hex43ad53c

70964540 has 24 divisors (see below), whose sum is σ = 150422832. Its totient is φ = 28119680.

The previous prime is 70964539. The next prime is 70964561. The reversal of 70964540 is 4546907.

It is a self number, because there is not a number n which added to its sum of digits gives 70964540.

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, 14441 + ... + 18720.

It is an arithmetic number, because the mean of its divisors is an integer number (6267618).

Almost surely, 270964540 is an apocalyptic number.

It is an amenable number.

70964540 is an abundant number, since it is smaller than the sum of its proper divisors (79458292).

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

70964540 is a wasteful number, since it uses less digits than its factorization.

70964540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33277 (or 33275 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 70964540 is about 8424.0453465066. The cubic root of 70964540 is about 414.0128275954.

The spelling of 70964540 in words is "seventy million, nine hundred sixty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 33161 66322 132644 165805 331610 663220 3548227 7096454 14192908 17741135 35482270 70964540