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29316020 = 2251465801
BaseRepresentation
bin110111111010…
…1001110110100
32001011102000112
41233311032310
530001103040
62524202152
7504116306
oct157651664
961142015
1029316020
1115603618
129999358
1360c5876
143c71976
152891365
hex1bf53b4

29316020 has 12 divisors (see below), whose sum is σ = 61563684. Its totient is φ = 11726400.

The previous prime is 29315999. The next prime is 29316037. The reversal of 29316020 is 2061392.

It can be written as a sum of positive squares in 2 ways, for example, as 10201636 + 19114384 = 3194^2 + 4372^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732881 + ... + 732920.

It is an arithmetic number, because the mean of its divisors is an integer number (5130307).

Almost surely, 229316020 is an apocalyptic number.

29316020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29316020 is an abundant number, since it is smaller than the sum of its proper divisors (32247664).

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

29316020 is a wasteful number, since it uses less digits than its factorization.

29316020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465810 (or 1465808 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 29316020 is about 5414.4270241642. The cubic root of 29316020 is about 308.3436457877.

The spelling of 29316020 in words is "twenty-nine million, three hundred sixteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1465801 2931602 5863204 7329005 14658010 29316020