Search a number
-
+
228051054 = 232711374447
BaseRepresentation
bin11011001011111…
…00100001101110
3120220010012020100
431211330201232
5431340113204
634343531530
75436254610
oct1545744156
9526105210
10228051054
11107802150
1264459ba6
133832916a
1422404db0
151504aa39
hexd97c86e

228051054 has 96 divisors (see below), whose sum is σ = 632825856. Its totient is φ = 57620160.

The previous prime is 228051037. The next prime is 228051067. The reversal of 228051054 is 450150822.

It is a happy number.

228051054 is a `hidden beast` number, since 22 + 80 + 510 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49059 + ... + 53505.

It is an arithmetic number, because the mean of its divisors is an integer number (6591936).

Almost surely, 2228051054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228051054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316412928).

228051054 is an abundant number, since it is smaller than the sum of its proper divisors (404774802).

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

228051054 is a wasteful number, since it uses less digits than its factorization.

228051054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510 (or 4507 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 228051054 is about 15101.3593427877. The cubic root of 228051054 is about 610.9570696727.

The spelling of 228051054 in words is "two hundred twenty-eight million, fifty-one thousand, fifty-four".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 37 42 63 66 74 77 99 111 126 154 198 222 231 259 333 407 462 518 666 693 777 814 1221 1386 1554 2331 2442 2849 3663 4447 4662 5698 7326 8547 8894 13341 17094 25641 26682 31129 40023 48917 51282 62258 80046 93387 97834 146751 164539 186774 280161 293502 329078 342419 440253 493617 560322 684838 880506 987234 1027257 1151773 1480851 1809929 2054514 2303546 2961702 3081771 3455319 3619858 5429787 6163542 6910638 10365957 10859574 12669503 16289361 20731914 25339006 32578722 38008509 76017018 114025527 228051054