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70437144 = 2332934881
BaseRepresentation
bin1000011001011…
…00100100011000
311220112120121010
410030230210120
5121012442034
610553413520
71513464051
oct414544430
9156476533
1070437144
113683a518
121b70a2a0
13117927ab
1494d7728
1562b53e9
hex432c918

70437144 has 16 divisors (see below), whose sum is σ = 176092920. Its totient is φ = 23479040.

The previous prime is 70437119. The next prime is 70437149. The reversal of 70437144 is 44173407.

It is a super-2 number, since 2×704371442 = 9922782509753472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70437149) 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, 1467417 + ... + 1467464.

Almost surely, 270437144 is an apocalyptic number.

It is an amenable number.

70437144 is an abundant number, since it is smaller than the sum of its proper divisors (105655776).

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

70437144 is a wasteful number, since it uses less digits than its factorization.

70437144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934890 (or 2934886 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 70437144 is about 8392.6839568758. The cubic root of 70437144 is about 412.9846527567.

The spelling of 70437144 in words is "seventy million, four hundred thirty-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 2934881 5869762 8804643 11739524 17609286 23479048 35218572 70437144