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70107644 = 22192471033
BaseRepresentation
bin1000010110111…
…00000111111100
311212220211121102
410023130013330
5120421421034
610542352232
71510622315
oct413340774
9155824542
1070107644
1136634a02
121b58b678
13116a8819
14944d60c
15624c97e
hex42dc1fc

70107644 has 36 divisors (see below), whose sum is σ = 132368544. Its totient is φ = 32470848.

The previous prime is 70107641. The next prime is 70107659. The reversal of 70107644 is 44670107.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70107641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67352 + ... + 68384.

It is an arithmetic number, because the mean of its divisors is an integer number (3676904).

Almost surely, 270107644 is an apocalyptic number.

It is an amenable number.

70107644 is a deficient number, since it is larger than the sum of its proper divisors (62260900).

70107644 is a wasteful number, since it uses less digits than its factorization.

70107644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 70107644 is about 8373.0307535563. The cubic root of 70107644 is about 412.3396749463.

The spelling of 70107644 in words is "seventy million, one hundred seven thousand, six hundred forty-four".

Divisors: 1 2 4 19 38 47 76 94 188 361 722 893 1033 1444 1786 2066 3572 4132 16967 19627 33934 39254 48551 67868 78508 97102 194204 372913 745826 922469 1491652 1844938 3689876 17526911 35053822 70107644