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122550461 = 1182313537
BaseRepresentation
bin1110100110111…
…11100010111101
322112121012121222
413103133202331
5222333103321
620054403125
73015442655
oct723374275
9275535558
10122550461
11631a3a80
12350604a5
131c50aa87
14123c1365
15ab5b3ab
hex74df8bd

122550461 has 8 divisors (see below), whose sum is σ = 133863744. Its totient is φ = 111265920.

The previous prime is 122550451. The next prime is 122550487. The reversal of 122550461 is 164055221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122550461 - 26 = 122550397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122550461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122550431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2285 + ... + 15821.

It is an arithmetic number, because the mean of its divisors is an integer number (16732968).

Almost surely, 2122550461 is an apocalyptic number.

122550461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122550461 is a deficient number, since it is larger than the sum of its proper divisors (11313283).

122550461 is a wasteful number, since it uses less digits than its factorization.

122550461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14371.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 122550461 is about 11070.2511714956. The cubic root of 122550461 is about 496.7123784681.

The spelling of 122550461 in words is "one hundred twenty-two million, five hundred fifty thousand, four hundred sixty-one".

Divisors: 1 11 823 9053 13537 148907 11140951 122550461