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70626260 = 2253531313
BaseRepresentation
bin1000011010110…
…10101111010100
311220220012000102
410031122233110
5121040020020
611001433232
71515212315
oct415325724
9156805012
1070626260
1136959611
121b79b818
131182a8b3
14954660c
156301475
hex435abd4

70626260 has 12 divisors (see below), whose sum is σ = 148315188. Its totient is φ = 28250496.

The previous prime is 70626251. The next prime is 70626299. The reversal of 70626260 is 6262607.

It can be written as a sum of positive squares in 2 ways, for example, as 22905796 + 47720464 = 4786^2 + 6908^2 .

It is a congruent number.

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, 1765637 + ... + 1765676.

It is an arithmetic number, because the mean of its divisors is an integer number (12359599).

Almost surely, 270626260 is an apocalyptic number.

It is an amenable number.

70626260 is an abundant number, since it is smaller than the sum of its proper divisors (77688928).

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

70626260 is a wasteful number, since it uses less digits than its factorization.

70626260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531322 (or 3531320 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 70626260 is about 8403.9431221302. The cubic root of 70626260 is about 413.3539286188.

Adding to 70626260 its reverse (6262607), we get a palindrome (76888867).

The spelling of 70626260 in words is "seventy million, six hundred twenty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 3531313 7062626 14125252 17656565 35313130 70626260