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29428292 = 2217225457
BaseRepresentation
bin111000001000…
…0101001000100
32001101010000202
41300100221010
530013201132
62530430032
7505064525
oct160205104
961333022
1029428292
111567aa03
129a32318
1361349ba
143ca084c
1528b4762
hex1c10a44

29428292 has 18 divisors (see below), whose sum is σ = 54709242. Its totient is φ = 13848064.

The previous prime is 29428279. The next prime is 29428327. The reversal of 29428292 is 29282492.

It can be written as a sum of positive squares in 3 ways, for example, as 3865156 + 25563136 = 1966^2 + 5056^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11573 + ... + 13884.

Almost surely, 229428292 is an apocalyptic number.

It is an amenable number.

29428292 is a deficient number, since it is larger than the sum of its proper divisors (25280950).

29428292 is a wasteful number, since it uses less digits than its factorization.

29428292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25495 (or 25476 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 29428292 is about 5424.7849726971. The cubic root of 29428292 is about 308.7367671229.

The spelling of 29428292 in words is "twenty-nine million, four hundred twenty-eight thousand, two hundred ninety-two".

Divisors: 1 2 4 17 34 68 289 578 1156 25457 50914 101828 432769 865538 1731076 7357073 14714146 29428292