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79906452 = 2236658871
BaseRepresentation
bin1001100001101…
…00011010010100
312120100200001020
410300310122110
5130424001302
611532401140
71660123263
oct460643224
9176320036
1079906452
114111799a
12229161b0
1313729932
14a8805da
157035ebc
hex4c34694

79906452 has 12 divisors (see below), whose sum is σ = 186448416. Its totient is φ = 26635480.

The previous prime is 79906447. The next prime is 79906487. The reversal of 79906452 is 25460997.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329424 + ... + 3329447.

It is an arithmetic number, because the mean of its divisors is an integer number (15537368).

Almost surely, 279906452 is an apocalyptic number.

It is an amenable number.

79906452 is an abundant number, since it is smaller than the sum of its proper divisors (106541964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79906452 is a wasteful number, since it uses less digits than its factorization.

79906452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6658878 (or 6658876 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 79906452 is about 8939.0408881490. The cubic root of 79906452 is about 430.7189199517.

It can be divided in two parts, 79 and 906452, that added together give a triangular number (906531 = T1346).

The spelling of 79906452 in words is "seventy-nine million, nine hundred six thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 6658871 13317742 19976613 26635484 39953226 79906452