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70680370 = 2511362549
BaseRepresentation
bin1000011011001…
…11111100110010
311220222221020111
410031213330302
5121043232440
611002531534
71515526135
oct415477462
9156887214
1070680370
1136996232
121b806baa
1311849407
14955c21c
1563124ea
hex4367f32

70680370 has 16 divisors (see below), whose sum is σ = 128352600. Its totient is φ = 28021504.

The previous prime is 70680359. The next prime is 70680371. The reversal of 70680370 is 7308607.

It can be written as a sum of positive squares in 4 ways, for example, as 58660281 + 12020089 = 7659^2 + 3467^2 .

It is not an unprimeable number, because it can be changed into a prime (70680371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30145 + ... + 32404.

Almost surely, 270680370 is an apocalyptic number.

70680370 is a deficient number, since it is larger than the sum of its proper divisors (57672230).

70680370 is a wasteful number, since it uses less digits than its factorization.

70680370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62669.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 70680370 is about 8407.1618278703. The cubic root of 70680370 is about 413.4594647725.

Adding to 70680370 its reverse (7308607), we get a palindrome (77988977).

The spelling of 70680370 in words is "seventy million, six hundred eighty thousand, three hundred seventy".

Divisors: 1 2 5 10 113 226 565 1130 62549 125098 312745 625490 7068037 14136074 35340185 70680370