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29956892 = 2274912179
BaseRepresentation
bin111001001000…
…1101100011100
32002100222010112
41302101230130
530132110032
62550025152
7512425610
oct162215434
962328115
1029956892
1115a01069
12a0481b8
13628b494
143d9b340
15296b1b2
hex1c91b1c

29956892 has 24 divisors (see below), whose sum is σ = 60063360. Its totient is φ = 12806640.

The previous prime is 29956889. The next prime is 29956919. The reversal of 29956892 is 29865992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29956892.

It is a congruent number.

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, 12659 + ... + 14837.

It is an arithmetic number, because the mean of its divisors is an integer number (2502640).

Almost surely, 229956892 is an apocalyptic number.

It is an amenable number.

29956892 is an abundant number, since it is smaller than the sum of its proper divisors (30106468).

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

29956892 is a wasteful number, since it uses less digits than its factorization.

29956892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2679 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 29956892 is about 5473.2889563771. The cubic root of 29956892 is about 310.5743497203.

The spelling of 29956892 in words is "twenty-nine million, nine hundred fifty-six thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 28 491 982 1964 2179 3437 4358 6874 8716 13748 15253 30506 61012 1069889 2139778 4279556 7489223 14978446 29956892