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70107672 = 2337141143
BaseRepresentation
bin1000010110111…
…00001000011000
311212220211122110
410023130020120
5120421421142
610542352320
71510622355
oct413341030
9155824573
1070107672
1136634a28
121b58b6a0
13116a883b
14944d62c
15624c99c
hex42dc218

70107672 has 32 divisors (see below), whose sum is σ = 177742080. Its totient is φ = 23039520.

The previous prime is 70107659. The next prime is 70107689. The reversal of 70107672 is 27670107.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

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, 18868 + ... + 22275.

It is an arithmetic number, because the mean of its divisors is an integer number (5554440).

Almost surely, 270107672 is an apocalyptic number.

It is an amenable number.

70107672 is an abundant number, since it is smaller than the sum of its proper divisors (107634408).

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

70107672 is a wasteful number, since it uses less digits than its factorization.

70107672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41223 (or 41219 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 70107672 is about 8373.0324255911. The cubic root of 70107672 is about 412.3397298406.

Adding to 70107672 its reverse (27670107), we get a palindrome (97777779).

The spelling of 70107672 in words is "seventy million, one hundred seven thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 71 142 213 284 426 568 852 1704 41143 82286 123429 164572 246858 329144 493716 987432 2921153 5842306 8763459 11684612 17526918 23369224 35053836 70107672