Search a number
-
+
122546740 = 2256127337
BaseRepresentation
bin1110100110111…
…10101000110100
322112121000112011
413103132220310
5222332443430
620054334004
73015426061
oct723365064
9275530464
10122546740
11631a11a8
123505a304
131c509184
14123bdc68
15ab5a22a
hex74dea34

122546740 has 12 divisors (see below), whose sum is σ = 257348196. Its totient is φ = 49018688.

The previous prime is 122546731. The next prime is 122546741. The reversal of 122546740 is 47645221.

It can be written as a sum of positive squares in 2 ways, for example, as 85895824 + 36650916 = 9268^2 + 6054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122546741) 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, 3063649 + ... + 3063688.

It is an arithmetic number, because the mean of its divisors is an integer number (21445683).

Almost surely, 2122546740 is an apocalyptic number.

122546740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122546740 is an abundant number, since it is smaller than the sum of its proper divisors (134801456).

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

122546740 is a wasteful number, since it uses less digits than its factorization.

122546740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127346 (or 6127344 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 122546740 is about 11070.0831071858. The cubic root of 122546740 is about 496.7073511908.

The spelling of 122546740 in words is "one hundred twenty-two million, five hundred forty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 6127337 12254674 24509348 30636685 61273370 122546740