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122552315 = 524510463
BaseRepresentation
bin1110100110111…
…11111111111011
322112121022011122
413103133333323
5222333133230
620054415455
73015451244
oct723377773
9275538148
10122552315
11631a5406
123506158b
131c50b882
14123c1ccb
15ab5bbe5
hex74dfffb

122552315 has 4 divisors (see below), whose sum is σ = 147062784. Its totient is φ = 98041848.

The previous prime is 122552293. The next prime is 122552317. The reversal of 122552315 is 513255221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513255221 = 827620623.

It is a cyclic number.

It is not a de Polignac number, because 122552315 - 212 = 122548219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122552317) 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, 12255227 + ... + 12255236.

It is an arithmetic number, because the mean of its divisors is an integer number (36765696).

Almost surely, 2122552315 is an apocalyptic number.

122552315 is a deficient number, since it is larger than the sum of its proper divisors (24510469).

122552315 is an equidigital number, since it uses as much as digits as its factorization.

122552315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24510468.

The product of its digits is 3000, while the sum is 26.

The square root of 122552315 is about 11070.3349091163. The cubic root of 122552315 is about 496.7148832870.

The spelling of 122552315 in words is "one hundred twenty-two million, five hundred fifty-two thousand, three hundred fifteen".

Divisors: 1 5 24510463 122552315