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70103272 = 239119619
BaseRepresentation
bin1000010110110…
…11000011101000
311212220121121111
410023123003220
5120421301042
610542320104
71510603501
oct413330350
9155817544
1070103272
1136631698
121b589034
13116a6835
14944bba8
15624b517
hex42db0e8

70103272 has 16 divisors (see below), whose sum is σ = 131601600. Its totient is φ = 35009520.

The previous prime is 70103263. The next prime is 70103339. The reversal of 70103272 is 27230107.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (8225100).

Almost surely, 270103272 is an apocalyptic number.

It is an amenable number.

70103272 is a deficient number, since it is larger than the sum of its proper divisors (61498328).

70103272 is a wasteful number, since it uses less digits than its factorization.

70103272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536 (or 10532 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 70103272 is about 8372.7696731727. The cubic root of 70103272 is about 412.3311034296.

Adding to 70103272 its reverse (27230107), we get a palindrome (97333379).

The spelling of 70103272 in words is "seventy million, one hundred three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 911 1822 3644 7288 9619 19238 38476 76952 8762909 17525818 35051636 70103272