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255150040 = 23523463599
BaseRepresentation
bin11110011010101…
…00011111011000
3122210002222001111
433031110133120
51010304300130
641152430104
76215511445
oct1715243730
9583088044
10255150040
11121031002
1271548334
1340b26872
1425c5a9cc
151760002a
hexf3547d8

255150040 has 64 divisors (see below), whose sum is σ = 601344000. Its totient is φ = 97249152.

The previous prime is 255150037. The next prime is 255150041. The reversal of 255150040 is 40051552.

It is a junction number, because it is equal to n+sod(n) for n = 255149993 and 255150020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255150041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425661 + ... + 426259.

It is an arithmetic number, because the mean of its divisors is an integer number (9396000).

Almost surely, 2255150040 is an apocalyptic number.

255150040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255150040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300672000).

255150040 is an abundant number, since it is smaller than the sum of its proper divisors (346193960).

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

255150040 is a wasteful number, since it uses less digits than its factorization.

255150040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 255150040 is about 15973.4166664493. The cubic root of 255150040 is about 634.2569190301.

The spelling of 255150040 in words is "two hundred fifty-five million, one hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 463 599 920 926 1198 1852 2315 2396 2995 3704 4630 4792 5990 9260 10649 11980 13777 18520 21298 23960 27554 42596 53245 55108 68885 85192 106490 110216 137770 212980 275540 277337 425960 551080 554674 1109348 1386685 2218696 2773370 5546740 6378751 11093480 12757502 25515004 31893755 51030008 63787510 127575020 255150040