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79429 = 721621
BaseRepresentation
bin10011011001000101
311000221211
4103121011
510020204
61411421
7450400
oct233105
9130854
1079429
1154749
1239b71
132a1cc
1420d37
1518804
hex13645

79429 has 6 divisors (see below), whose sum is σ = 92454. Its totient is φ = 68040.

The previous prime is 79427. The next prime is 79433. The reversal of 79429 is 92497.

It can be written as a sum of positive squares in only one way, i.e., 74529 + 4900 = 273^2 + 70^2 .

It is not a de Polignac number, because 79429 - 21 = 79427 is a prime.

It is a Duffinian number.

79429 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 79429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (15409).

279429 is an apocalyptic number.

It is an amenable number.

79429 is a deficient number, since it is larger than the sum of its proper divisors (13025).

79429 is a wasteful number, since it uses less digits than its factorization.

79429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635 (or 1628 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 79429 is about 281.8315099488. The cubic root of 79429 is about 42.9859337442.

The spelling of 79429 in words is "seventy-nine thousand, four hundred twenty-nine".

Divisors: 1 7 49 1621 11347 79429