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29620285 = 56019857
BaseRepresentation
bin111000011111…
…1100000111101
32001201212101121
41300333200331
530040322120
62534510541
7506524342
oct160774075
961655347
1029620285
11157a1182
129b05451
1361a11c6
143d107c9
1529015aa
hex1c3f83d

29620285 has 8 divisors (see below), whose sum is σ = 35607096. Its totient is φ = 23654400.

The previous prime is 29620271. The next prime is 29620321. The reversal of 29620285 is 58202692.

It can be written as a sum of positive squares in 4 ways, for example, as 5433561 + 24186724 = 2331^2 + 4918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29620285 - 215 = 29587517 is a prime.

It is a super-2 number, since 2×296202852 = 1754722566962450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29620285.

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, 1924 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (4450887).

Almost surely, 229620285 is an apocalyptic number.

It is an amenable number.

29620285 is a deficient number, since it is larger than the sum of its proper divisors (5986811).

29620285 is an equidigital number, since it uses as much as digits as its factorization.

29620285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 29620285 is about 5442.4521127889. The cubic root of 29620285 is about 309.4067217073.

The spelling of 29620285 in words is "twenty-nine million, six hundred twenty thousand, two hundred eighty-five".

Divisors: 1 5 601 3005 9857 49285 5924057 29620285