Search a number
-
+
122493057 = 31919910799
BaseRepresentation
bin1110100110100…
…01100010000001
322112111021212220
413103101202001
5222324234212
620053241253
73015113421
oct723214201
9275437786
10122493057
1163164935
1235033229
131c4ba8cb
14123a8481
15ab4938c
hex74d1881

122493057 has 16 divisors (see below), whose sum is σ = 172800000. Its totient is φ = 76968144.

The previous prime is 122493031. The next prime is 122493079. The reversal of 122493057 is 750394221.

It is not a de Polignac number, because 122493057 - 28 = 122492801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122493157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5944 + ... + 16742.

It is an arithmetic number, because the mean of its divisors is an integer number (10800000).

Almost surely, 2122493057 is an apocalyptic number.

It is an amenable number.

122493057 is a deficient number, since it is larger than the sum of its proper divisors (50306943).

122493057 is a wasteful number, since it uses less digits than its factorization.

122493057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 122493057 is about 11067.6581533764. The cubic root of 122493057 is about 496.6348111535.

The spelling of 122493057 in words is "one hundred twenty-two million, four hundred ninety-three thousand, fifty-seven".

Divisors: 1 3 19 57 199 597 3781 10799 11343 32397 205181 615543 2149001 6447003 40831019 122493057