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70313351 = 536719801
BaseRepresentation
bin1000011000011…
…10010110000111
311220022021210012
410030032112013
5121000011401
610551020435
71512440123
oct414162607
9156267705
1070313351
1136765509
121b66a71b
131174b344
1494a4583
15628d8bb
hex430e587

70313351 has 8 divisors (see below), whose sum is σ = 72712944. Its totient is φ = 67953600.

The previous prime is 70313339. The next prime is 70313407. The reversal of 70313351 is 15331307.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 70313351 - 218 = 70051207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70313051) 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, 6350 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (9089118).

Almost surely, 270313351 is an apocalyptic number.

70313351 is a deficient number, since it is larger than the sum of its proper divisors (2399593).

70313351 is a wasteful number, since it uses less digits than its factorization.

70313351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19921.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 70313351 is about 8385.3056593066. The cubic root of 70313351 is about 412.7425712548.

Adding to 70313351 its reverse (15331307), we get a palindrome (85644658).

The spelling of 70313351 in words is "seventy million, three hundred thirteen thousand, three hundred fifty-one".

Divisors: 1 53 67 3551 19801 1049453 1326667 70313351