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40679079 = 3717113947
BaseRepresentation
bin1001101100101…
…1011010100111
32211112201012120
42123023122213
540403212304
64011521023
71002523620
oct233133247
984481176
1040679079
1120a64881
1211759173
13857397c
14558ca47
1538880d9
hex26cb6a7

40679079 has 16 divisors (see below), whose sum is σ = 65634048. Its totient is φ = 21877632.

The previous prime is 40679069. The next prime is 40679087. The reversal of 40679079 is 97097604.

It is not a de Polignac number, because 40679079 - 215 = 40646311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40679079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40679059) 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, 56617 + ... + 57330.

It is an arithmetic number, because the mean of its divisors is an integer number (4102128).

Almost surely, 240679079 is an apocalyptic number.

40679079 is a deficient number, since it is larger than the sum of its proper divisors (24954969).

40679079 is a wasteful number, since it uses less digits than its factorization.

40679079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113974.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 40679079 is about 6378.0152869055. The cubic root of 40679079 is about 343.9196872859.

The spelling of 40679079 in words is "forty million, six hundred seventy-nine thousand, seventy-nine".

Divisors: 1 3 7 17 21 51 119 357 113947 341841 797629 1937099 2392887 5811297 13559693 40679079