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70013489 = 713259183
BaseRepresentation
bin1000010110001…
…01001000110001
311212202001110012
410023011020301
5120410412424
610540344305
71510050650
oct413051061
9155661405
1070013489
1136580197
121b545095
1311674a00
149427197
15622eb0e
hex42c5231

70013489 has 12 divisors (see below), whose sum is σ = 86645376. Its totient is φ = 55394352.

The previous prime is 70013483. The next prime is 70013491. The reversal of 70013489 is 98431007.

It is not a de Polignac number, because 70013489 - 24 = 70013473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70013483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28409 + ... + 30774.

It is an arithmetic number, because the mean of its divisors is an integer number (7220448).

Almost surely, 270013489 is an apocalyptic number.

It is an amenable number.

70013489 is a deficient number, since it is larger than the sum of its proper divisors (16631887).

70013489 is a wasteful number, since it uses less digits than its factorization.

70013489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59216 (or 59203 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 70013489 is about 8367.4063484451. The cubic root of 70013489 is about 412.1550006699.

The spelling of 70013489 in words is "seventy million, thirteen thousand, four hundred eighty-nine".

Divisors: 1 7 13 91 169 1183 59183 414281 769379 5385653 10001927 70013489