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79145049 = 371371573
BaseRepresentation
bin1001011011110…
…10100001011001
312111220222121010
410231322201121
5130230120144
611504204133
71650502404
oct455724131
9174828533
1079145049
1140747935
1222609649
13135211b9
14a722d3b
156e355b9
hex4b7a859

79145049 has 8 divisors (see below), whose sum is σ = 107013312. Its totient is φ = 52020080.

The previous prime is 79145041. The next prime is 79145057. The reversal of 79145049 is 94054197.

It is an interprime number because it is at equal distance from previous prime (79145041) and next prime (79145057).

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 79145049 - 23 = 79145041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79144998 and 79145016.

It is not an unprimeable number, because it can be changed into a prime (79145041) 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, 185574 + ... + 185999.

It is an arithmetic number, because the mean of its divisors is an integer number (13376664).

Almost surely, 279145049 is an apocalyptic number.

It is an amenable number.

79145049 is a deficient number, since it is larger than the sum of its proper divisors (27868263).

79145049 is a wasteful number, since it uses less digits than its factorization.

79145049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371647.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 79145049 is about 8896.3503190915. The cubic root of 79145049 is about 429.3464906310.

The spelling of 79145049 in words is "seventy-nine million, one hundred forty-five thousand, forty-nine".

Divisors: 1 3 71 213 371573 1114719 26381683 79145049