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70117449 = 373353907
BaseRepresentation
bin1000010110111…
…10100001001001
311212221100001120
410023132201021
5120422224244
610542505453
71510663023
oct413364111
9155840046
1070117449
1136641306
121b595289
13116b011c
149453013
156250819
hex42de849

70117449 has 16 divisors (see below), whose sum is σ = 95143872. Its totient is φ = 45923328.

The previous prime is 70117427. The next prime is 70117459. The reversal of 70117449 is 94471107.

It is not a de Polignac number, because 70117449 - 212 = 70113353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70117459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76854 + ... + 77760.

It is an arithmetic number, because the mean of its divisors is an integer number (5946492).

Almost surely, 270117449 is an apocalyptic number.

It is an amenable number.

70117449 is a deficient number, since it is larger than the sum of its proper divisors (25026423).

70117449 is a wasteful number, since it uses less digits than its factorization.

70117449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 70117449 is about 8373.6162438937. The cubic root of 70117449 is about 412.3588968258.

The spelling of 70117449 in words is "seventy million, one hundred seventeen thousand, four hundred forty-nine".

Divisors: 1 3 73 219 353 907 1059 2721 25769 66211 77307 198633 320171 960513 23372483 70117449