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29886442 = 2171735081
BaseRepresentation
bin111001000000…
…0011111101010
32002020101111021
41302000133222
530122331232
62544323054
7512013325
oct162003752
962211437
1029886442
1115963143
12a01348a
1362653b1
143d7d7bc
152955397
hex1c807ea

29886442 has 16 divisors (see below), whose sum is σ = 47750472. Its totient is φ = 13980160.

The previous prime is 29886433. The next prime is 29886469. The reversal of 29886442 is 24468892.

It can be written as a sum of positive squares in 4 ways, for example, as 28611801 + 1274641 = 5349^2 + 1129^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3342 + ... + 8422.

Almost surely, 229886442 is an apocalyptic number.

29886442 is a deficient number, since it is larger than the sum of its proper divisors (17864030).

29886442 is a wasteful number, since it uses less digits than its factorization.

29886442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5273.

The product of its digits is 221184, while the sum is 43.

The square root of 29886442 is about 5466.8493668657. The cubic root of 29886442 is about 310.3306980850.

The spelling of 29886442 in words is "twenty-nine million, eight hundred eighty-six thousand, four hundred forty-two".

Divisors: 1 2 17 34 173 346 2941 5081 5882 10162 86377 172754 879013 1758026 14943221 29886442