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29122025 = 522350647
BaseRepresentation
bin110111100010…
…1110111101001
32000210112220112
41233011313221
524423401100
62520104105
7502350602
oct157056751
960715815
1029122025
1115490899
129905035
13605848a
143c20da9
152853b35
hex1bc5de9

29122025 has 12 divisors (see below), whose sum is σ = 37682112. Its totient is φ = 22284240.

The previous prime is 29121977. The next prime is 29122031. The reversal of 29122025 is 52022192.

It is not a de Polignac number, because 29122025 - 28 = 29121769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24749 + ... + 25898.

It is an arithmetic number, because the mean of its divisors is an integer number (3140176).

Almost surely, 229122025 is an apocalyptic number.

29122025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29122025 is a deficient number, since it is larger than the sum of its proper divisors (8560087).

29122025 is a wasteful number, since it uses less digits than its factorization.

29122025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50680 (or 50675 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 29122025 is about 5396.4826507643. The cubic root of 29122025 is about 307.6619984969.

The spelling of 29122025 in words is "twenty-nine million, one hundred twenty-two thousand, twenty-five".

Divisors: 1 5 23 25 115 575 50647 253235 1164881 1266175 5824405 29122025