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122252508 = 223271728537
BaseRepresentation
bin1110100100101…
…10110011011100
322112001001220200
413102112303130
5222244040013
620044143500
73013062210
oct722266334
9275031820
10122252508
1163010134
1234b37b90
131c435281
1412344940
15aaece73
hex7496cdc

122252508 has 72 divisors (see below), whose sum is σ = 373961952. Its totient is φ = 32873472.

The previous prime is 122252489. The next prime is 122252519. The reversal of 122252508 is 805252221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9985 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (5193916).

Almost surely, 2122252508 is an apocalyptic number.

122252508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122252508 is an abundant number, since it is smaller than the sum of its proper divisors (251709444).

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

122252508 is a wasteful number, since it uses less digits than its factorization.

122252508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28571 (or 28566 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 122252508 is about 11056.7856088467. The cubic root of 122252508 is about 496.3095048425.

It can be divided in two parts, 122252 and 508, that added together give a triangular number (122760 = T495).

The spelling of 122252508 in words is "one hundred twenty-two million, two hundred fifty-two thousand, five hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 28 34 36 42 51 63 68 84 102 119 126 153 204 238 252 306 357 476 612 714 1071 1428 2142 4284 28537 57074 85611 114148 171222 199759 256833 342444 399518 485129 513666 599277 799036 970258 1027332 1198554 1455387 1797831 1940516 2397108 2910774 3395903 3595662 4366161 5821548 6791806 7191324 8732322 10187709 13583612 17464644 20375418 30563127 40750836 61126254 122252508