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70051449 = 3131796191
BaseRepresentation
bin1000010110011…
…10011001111001
311212210222112010
410023032121321
5120413121244
610541240133
71510266426
oct413163171
9155728463
1070051449
11365a6766
121b563049
1311689080
149436d4d
15623aeb9
hex42ce679

70051449 has 8 divisors (see below), whose sum is σ = 100586752. Its totient is φ = 43108560.

The previous prime is 70051447. The next prime is 70051459. The reversal of 70051449 is 94415007.

It is a happy number.

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

It is not a de Polignac number, because 70051449 - 21 = 70051447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70051447) 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, 898057 + ... + 898134.

It is an arithmetic number, because the mean of its divisors is an integer number (12573344).

Almost surely, 270051449 is an apocalyptic number.

It is an amenable number.

70051449 is a deficient number, since it is larger than the sum of its proper divisors (30535303).

70051449 is a wasteful number, since it uses less digits than its factorization.

70051449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796207.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 70051449 is about 8369.6743664255. The cubic root of 70051449 is about 412.2294747812.

It can be divided in two parts, 70051 and 449, that added together give a triangular number (70500 = T375).

The spelling of 70051449 in words is "seventy million, fifty-one thousand, four hundred forty-nine".

Divisors: 1 3 13 39 1796191 5388573 23350483 70051449