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29952920 = 235748823
BaseRepresentation
bin111001001000…
…0101110011000
32002100202200102
41302100232120
530131443140
62545554532
7512411204
oct162205630
962322612
1029952920
11159a9088
12a045a48
13628972a
143d99b04
152969e15
hex1c90b98

29952920 has 16 divisors (see below), whose sum is σ = 67394160. Its totient is φ = 11981152.

The previous prime is 29952907. The next prime is 29952941. The reversal of 29952920 is 2925992.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374372 + ... + 374451.

It is an arithmetic number, because the mean of its divisors is an integer number (4212135).

Almost surely, 229952920 is an apocalyptic number.

29952920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29952920 is an abundant number, since it is smaller than the sum of its proper divisors (37441240).

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

29952920 is a wasteful number, since it uses less digits than its factorization.

29952920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748834 (or 748830 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 29952920 is about 5472.9260912240. The cubic root of 29952920 is about 310.5606227084.

The spelling of 29952920 in words is "twenty-nine million, nine hundred fifty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 748823 1497646 2995292 3744115 5990584 7488230 14976460 29952920