Search a number
-
+
122884258 = 2727389193
BaseRepresentation
bin1110101001100…
…01000010100010
322120020011111211
413110301002202
5222424244013
620105500334
73021333100
oct724610242
9276204454
10122884258
1163401842
12351a16aa
131c5c69a3
141246ac70
15abc523d
hex75310a2

122884258 has 48 divisors (see below), whose sum is σ = 220938840. Its totient is φ = 51093504.

The previous prime is 122884247. The next prime is 122884261. The reversal of 122884258 is 852488221.

It can be written as a sum of positive squares in 4 ways, for example, as 76685049 + 46199209 = 8757^2 + 6797^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122884258.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 636610 + ... + 636802.

Almost surely, 2122884258 is an apocalyptic number.

122884258 is a deficient number, since it is larger than the sum of its proper divisors (98054582).

122884258 is a wasteful number, since it uses less digits than its factorization.

122884258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 364 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 122884258 is about 11085.3172259525. The cubic root of 122884258 is about 497.1629433325.

The spelling of 122884258 in words is "one hundred twenty-two million, eight hundred eighty-four thousand, two hundred fifty-eight".

Divisors: 1 2 7 14 49 73 89 98 146 178 193 386 511 623 1022 1246 1351 2702 3577 4361 6497 7154 8722 9457 12994 14089 17177 18914 28178 34354 45479 90958 98623 120239 197246 240478 318353 636706 690361 841673 1253921 1380722 1683346 2507842 8777447 17554894 61442129 122884258