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255916098 = 23431131389
BaseRepresentation
bin11110100000011…
…11100001000010
3122211112212220000
433100033201002
51011003303343
641221100430
76225152034
oct1720174102
9584485800
10255916098
11121504609
1271857716
1341034459
1425db9c54
1517701ed3
hexf40f842

255916098 has 80 divisors (see below), whose sum is σ = 597991680. Its totient is φ = 81712800.

The previous prime is 255916093. The next prime is 255916103. The reversal of 255916098 is 890619552.

255916098 is a `hidden beast` number, since 2 + 559 + 1 + 6 + 0 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (255916093) and next prime (255916103).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255916093) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 657688 + ... + 658076.

It is an arithmetic number, because the mean of its divisors is an integer number (7474896).

Almost surely, 2255916098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255916098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298995840).

255916098 is an abundant number, since it is smaller than the sum of its proper divisors (342075582).

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

255916098 is a wasteful number, since it uses less digits than its factorization.

255916098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 255916098 is about 15997.3778476349. The cubic root of 255916098 is about 634.8910454352.

The spelling of 255916098 in words is "two hundred fifty-five million, nine hundred sixteen thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 27 31 54 62 81 93 131 162 186 262 279 389 393 558 778 786 837 1167 1179 1674 2334 2358 2511 3501 3537 4061 5022 7002 7074 8122 10503 10611 12059 12183 21006 21222 24118 24366 31509 36177 36549 50959 63018 72354 73098 101918 108531 109647 152877 217062 219294 305754 325593 328941 458631 651186 657882 917262 976779 1375893 1579729 1953558 2751786 3159458 4127679 4739187 8255358 9478374 14217561 28435122 42652683 85305366 127958049 255916098