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70313492 = 2217578373
BaseRepresentation
bin1000011000011…
…10011000010100
311220022021222102
410030032120110
5121000012432
610551021232
71512440414
oct414163024
9156267872
1070313492
1136765627
121b66a818
131174b422
1494a4644
15628d962
hex430e614

70313492 has 6 divisors (see below), whose sum is σ = 123048618. Its totient is φ = 35156744.

The previous prime is 70313449. The next prime is 70313497. The reversal of 70313492 is 29431307.

It can be written as a sum of positive squares in only one way, i.e., 69789316 + 524176 = 8354^2 + 724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70313497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8789183 + ... + 8789190.

It is an arithmetic number, because the mean of its divisors is an integer number (20508103).

Almost surely, 270313492 is an apocalyptic number.

It is an amenable number.

70313492 is a deficient number, since it is larger than the sum of its proper divisors (52735126).

70313492 is a wasteful number, since it uses less digits than its factorization.

70313492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17578377 (or 17578375 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 70313492 is about 8385.3140668671. The cubic root of 70313492 is about 412.7428471467.

Adding to 70313492 its reverse (29431307), we get a palindrome (99744799).

The spelling of 70313492 in words is "seventy million, three hundred thirteen thousand, four hundred ninety-two".

Divisors: 1 2 4 17578373 35156746 70313492