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29148920 = 235728723
BaseRepresentation
bin110111100110…
…0011011111000
32000211220210122
41233030123320
524430231140
62520432412
7502522163
oct157143370
960756718
1029148920
11154aa019
129918708
1360677a8
143c2aada
15285bab5
hex1bcc6f8

29148920 has 16 divisors (see below), whose sum is σ = 65585160. Its totient is φ = 11659552.

The previous prime is 29148919. The next prime is 29148929. The reversal of 29148920 is 2984192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29148929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364322 + ... + 364401.

Almost surely, 229148920 is an apocalyptic number.

29148920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29148920 is an abundant number, since it is smaller than the sum of its proper divisors (36436240).

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

29148920 is a wasteful number, since it uses less digits than its factorization.

29148920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728734 (or 728730 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 29148920 is about 5398.9739765996. The cubic root of 29148920 is about 307.7566808263.

The spelling of 29148920 in words is "twenty-nine million, one hundred forty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 728723 1457446 2914892 3643615 5829784 7287230 14574460 29148920