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70312994 = 2291212293
BaseRepresentation
bin1000011000011…
…10010000100010
311220022021021222
410030032100202
5121000003434
610551015042
71512436103
oct414162042
9156267258
1070312994
1136765214
121b66a482
131174b12b
1494a43aa
15628d72e
hex430e422

70312994 has 8 divisors (see below), whose sum is σ = 109106460. Its totient is φ = 33944176.

The previous prime is 70312993. The next prime is 70313027. The reversal of 70312994 is 49921307.

It can be written as a sum of positive squares in 2 ways, for example, as 62995969 + 7317025 = 7937^2 + 2705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (70312993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606089 + ... + 606204.

Almost surely, 270312994 is an apocalyptic number.

70312994 is a deficient number, since it is larger than the sum of its proper divisors (38793466).

70312994 is a wasteful number, since it uses less digits than its factorization.

70312994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212324.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 70312994 is about 8385.2843720413. The cubic root of 70312994 is about 412.7418727182.

The spelling of 70312994 in words is "seventy million, three hundred twelve thousand, nine hundred ninety-four".

Divisors: 1 2 29 58 1212293 2424586 35156497 70312994