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122552164 = 2274376863
BaseRepresentation
bin1110100110111…
…11111101100100
322112121021222001
413103133331210
5222333132124
620054415044
73015450640
oct723377544
9275537861
10122552164
11631a5289
1235061484
131c50b797
14123c1c20
15ab5bb44
hex74dff64

122552164 has 12 divisors (see below), whose sum is σ = 245104384. Its totient is φ = 52522344.

The previous prime is 122552141. The next prime is 122552197. The reversal of 122552164 is 461255221.

122552164 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4376863 = 122552164 / (1 + 2 + 2 + 5 + 5 + 2 + 1 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2188404 + ... + 2188459.

Almost surely, 2122552164 is an apocalyptic number.

122552164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122552164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122552164 is a wasteful number, since it uses less digits than its factorization.

122552164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4376874 (or 4376872 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 122552164 is about 11070.3280890857. The cubic root of 122552164 is about 496.7146792816.

The spelling of 122552164 in words is "one hundred twenty-two million, five hundred fifty-two thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 4376863 8753726 17507452 30638041 61276082 122552164