Search a number
-
+
655550046 = 2321929157421
BaseRepresentation
bin100111000100101…
…110011001011110
31200200112101121100
4213010232121132
52320310100141
6145014413530
722150040424
oct4704563136
91620471540
10655550046
1130704a4a8
121636612a6
13a5a78248
14630c7114
153c8420b6
hex2712e65e

655550046 has 96 divisors (see below), whose sum is σ = 1560218400. Its totient is φ = 198132480.

The previous prime is 655550033. The next prime is 655550047. The reversal of 655550046 is 640055556.

It is a happy number.

655550046 is a `hidden beast` number, since 65 + 5 + 550 + 0 + 46 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655550047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1556916 + ... + 1557336.

It is an arithmetic number, because the mean of its divisors is an integer number (16252275).

Almost surely, 2655550046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 655550046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780109200).

655550046 is an abundant number, since it is smaller than the sum of its proper divisors (904668354).

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

655550046 is a wasteful number, since it uses less digits than its factorization.

655550046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 655550046 is about 25603.7115668803. The cubic root of 655550046 is about 868.6975914695.

The spelling of 655550046 in words is "six hundred fifty-five million, five hundred fifty thousand, forty-six".

Divisors: 1 2 3 6 9 18 19 29 38 57 58 87 114 157 171 174 261 314 342 421 471 522 551 842 942 1102 1263 1413 1653 2526 2826 2983 3306 3789 4553 4959 5966 7578 7999 8949 9106 9918 12209 13659 15998 17898 23997 24418 26847 27318 36627 40977 47994 53694 66097 71991 73254 81954 86507 109881 132194 143982 173014 198291 219762 231971 259521 396582 463942 519042 594873 695913 778563 1189746 1255843 1391826 1557126 1916813 2087739 2511686 3767529 3833626 4175478 5750439 7535058 11302587 11500878 17251317 22605174 34502634 36419447 72838894 109258341 218516682 327775023 655550046