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122106552 = 2335087773
BaseRepresentation
bin1110100011100…
…11001010111000
322111202122200220
413101303022320
5222224402202
620041100040
73011613531
oct721631270
9274678626
10122106552
1162a20507
1234a87620
131c3b39c9
1412307688
15aabeabc
hex74732b8

122106552 has 16 divisors (see below), whose sum is σ = 305266440. Its totient is φ = 40702176.

The previous prime is 122106547. The next prime is 122106553. The reversal of 122106552 is 255601221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5087773 = 122106552 / (1 + 2 + 2 + 1 + 0 + 6 + 5 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122106553) 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, 2543863 + ... + 2543910.

Almost surely, 2122106552 is an apocalyptic number.

122106552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122106552 is an abundant number, since it is smaller than the sum of its proper divisors (183159888).

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

122106552 is a wasteful number, since it uses less digits than its factorization.

122106552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087782 (or 5087778 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 122106552 is about 11050.1833468952. The cubic root of 122106552 is about 496.1119132658. Note that the first 3 decimals are identical.

Adding to 122106552 its reverse (255601221), we get a palindrome (377707773).

The spelling of 122106552 in words is "one hundred twenty-two million, one hundred six thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 5087773 10175546 15263319 20351092 30526638 40702184 61053276 122106552