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29201320 = 235730033
BaseRepresentation
bin110111101100…
…1001110101000
32000221120200101
41233121032220
524433420240
62521515144
7503131021
oct157311650
960846611
1029201320
1115535425
129942ab4
1360855b5
143c41c48
15286c39a
hex1bd93a8

29201320 has 16 divisors (see below), whose sum is σ = 65703060. Its totient is φ = 11680512.

The previous prime is 29201317. The next prime is 29201321. The reversal of 29201320 is 2310292.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26399044 + 2802276 = 5138^2 + 1674^2 .

It is not an unprimeable number, because it can be changed into a prime (29201321) 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, 364977 + ... + 365056.

Almost surely, 229201320 is an apocalyptic number.

29201320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29201320 is an abundant number, since it is smaller than the sum of its proper divisors (36501740).

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

29201320 is a wasteful number, since it uses less digits than its factorization.

29201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730044 (or 730040 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 29201320 is about 5403.8245715419. The cubic root of 29201320 is about 307.9409849262.

The spelling of 29201320 in words is "twenty-nine million, two hundred one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 730033 1460066 2920132 3650165 5840264 7300330 14600660 29201320