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122252152 = 23111389229
BaseRepresentation
bin1110100100101…
…10101101111000
322112001001102111
413102112231320
5222244032102
620044142104
73013061161
oct722265570
9275031374
10122252152
116300a940
1234b37934
131c435069
1412344768
15aaeccd7
hex7496b78

122252152 has 16 divisors (see below), whose sum is σ = 250061400. Its totient is φ = 55569120.

The previous prime is 122252149. The next prime is 122252159. The reversal of 122252152 is 251252221.

It is a super-2 number, since 2×1222521522 = 29891177337262208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122252159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694527 + ... + 694702.

Almost surely, 2122252152 is an apocalyptic number.

It is an amenable number.

122252152 is an abundant number, since it is smaller than the sum of its proper divisors (127809248).

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

122252152 is a wasteful number, since it uses less digits than its factorization.

122252152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389246 (or 1389242 counting only the distinct ones).

The product of its digits is 800, while the sum is 22.

The square root of 122252152 is about 11056.7695101237. The cubic root of 122252152 is about 496.3090230900.

The spelling of 122252152 in words is "one hundred twenty-two million, two hundred fifty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 1389229 2778458 5556916 11113832 15281519 30563038 61126076 122252152