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122152055 = 5176789241
BaseRepresentation
bin1110100011111…
…10010001110111
322111211222010012
413101332101313
5222232331210
620042050435
73012163304
oct721762167
9274758105
10122152055
1162a51713
1234aa9a1b
131c3cb62c
141231a0ab
15aacd305
hex747e477

122152055 has 32 divisors (see below), whose sum is σ = 159952320. Its totient is φ = 89210880.

The previous prime is 122152033. The next prime is 122152061. The reversal of 122152055 is 550251221.

It is not a de Polignac number, because 122152055 - 210 = 122151031 is a prime.

It is a super-2 number, since 2×1221520552 = 29842249081446050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122152055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506735 + ... + 506975.

It is an arithmetic number, because the mean of its divisors is an integer number (4998510).

Almost surely, 2122152055 is an apocalyptic number.

122152055 is a deficient number, since it is larger than the sum of its proper divisors (37800265).

122152055 is a wasteful number, since it uses less digits than its factorization.

122152055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 122152055 is about 11052.2420802297. The cubic root of 122152055 is about 496.1735309717.

The spelling of 122152055 in words is "one hundred twenty-two million, one hundred fifty-two thousand, fifty-five".

Divisors: 1 5 17 67 85 89 241 335 445 1139 1205 1513 4097 5695 5963 7565 16147 20485 21449 29815 80735 101371 107245 274499 364633 506855 1372495 1437083 1823165 7185415 24430411 122152055