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29941236 = 22321363977
BaseRepresentation
bin111001000110…
…1110111110100
32002100011122200
41302031313310
530131104421
62545424500
7512332143
oct162156764
962304580
1029941236
11159a0326
12a03b130
136284310
143d9575a
152966726
hex1c8ddf4

29941236 has 36 divisors (see below), whose sum is σ = 81507972. Its totient is φ = 9212544.

The previous prime is 29941231. The next prime is 29941243. The reversal of 29941236 is 63214992.

It can be written as a sum of positive squares in 2 ways, for example, as 9960336 + 19980900 = 3156^2 + 4470^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×299412362 = 1792955226415392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 29941236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29941231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31521 + ... + 32456.

Almost surely, 229941236 is an apocalyptic number.

29941236 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

29941236 is an abundant number, since it is smaller than the sum of its proper divisors (51566736).

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

29941236 is a wasteful number, since it uses less digits than its factorization.

29941236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64000 (or 63995 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 29941236 is about 5471.8585508034. The cubic root of 29941236 is about 310.5202364151.

The spelling of 29941236 in words is "twenty-nine million, nine hundred forty-one thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 63977 127954 191931 255908 383862 575793 767724 831701 1151586 1663402 2303172 2495103 3326804 4990206 7485309 9980412 14970618 29941236