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29142679 = 234726959
BaseRepresentation
bin110111100101…
…0111010010111
32000211121020111
41233022322113
524430031204
62520343451
7502465036
oct157127227
960747214
1029142679
11154a5365
129914b87
1360649b7
143c2871d
152859d04
hex1bcae97

29142679 has 8 divisors (see below), whose sum is σ = 31057920. Its totient is φ = 27281496.

The previous prime is 29142667. The next prime is 29142683. The reversal of 29142679 is 97624192.

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

It is not a de Polignac number, because 29142679 - 27 = 29142551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29142779) 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, 12399 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (3882240).

Almost surely, 229142679 is an apocalyptic number.

29142679 is a deficient number, since it is larger than the sum of its proper divisors (1915241).

29142679 is a wasteful number, since it uses less digits than its factorization.

29142679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27029.

The product of its digits is 54432, while the sum is 40.

The square root of 29142679 is about 5398.3959654697. The cubic root of 29142679 is about 307.7347149291.

The spelling of 29142679 in words is "twenty-nine million, one hundred forty-two thousand, six hundred seventy-nine".

Divisors: 1 23 47 1081 26959 620057 1267073 29142679