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122752230 = 2354091741
BaseRepresentation
bin1110101000100…
…00110011100110
322112222110101220
413110100303212
5222411032410
620103001210
73020243136
oct724206346
9275873356
10122752230
1163321627
1235139206
131c57b873
1412434ac6
15ab9b070
hex7510ce6

122752230 has 16 divisors (see below), whose sum is σ = 294605424. Its totient is φ = 32733920.

The previous prime is 122752183. The next prime is 122752243. The reversal of 122752230 is 32257221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122752230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045841 + ... + 2045900.

It is an arithmetic number, because the mean of its divisors is an integer number (18412839).

Almost surely, 2122752230 is an apocalyptic number.

122752230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122752230 is an abundant number, since it is smaller than the sum of its proper divisors (171853194).

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

122752230 is a wasteful number, since it uses less digits than its factorization.

122752230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091751.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 122752230 is about 11079.3605411143. The cubic root of 122752230 is about 496.9848273501.

The spelling of 122752230 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4091741 8183482 12275223 20458705 24550446 40917410 61376115 122752230