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3105506340 = 2232561282833
BaseRepresentation
bin1011100100011010…
…0100010000100100
322000102120001211100
42321012210100210
522330002200330
61232053440100
7136646240226
oct27106442044
98012501740
103105506340
111353a82972
12728040030
133a6505421
1421662c416
15132985060
hexb91a4424

3105506340 has 72 divisors (see below), whose sum is σ = 9574496568. Its totient is φ = 814556160.

The previous prime is 3105506333. The next prime is 3105506377. The reversal of 3105506340 is 436055013.

3105506340 is a `hidden beast` number, since 3 + 10 + 550 + 63 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 47858724 + 3057647616 = 6918^2 + 55296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130437 + ... + 152396.

It is an arithmetic number, because the mean of its divisors is an integer number (132979119).

Almost surely, 23105506340 is an apocalyptic number.

3105506340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3105506340 is an abundant number, since it is smaller than the sum of its proper divisors (6468990228).

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

3105506340 is a wasteful number, since it uses less digits than its factorization.

3105506340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282909 (or 282904 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3105506340 is about 55727.0700826806. The cubic root of 3105506340 is about 1458.9625362461.

The spelling of 3105506340 in words is "three billion, one hundred five million, five hundred six thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 61 90 122 180 183 244 305 366 549 610 732 915 1098 1220 1830 2196 2745 3660 5490 10980 282833 565666 848499 1131332 1414165 1696998 2545497 2828330 3393996 4242495 5090994 5656660 8484990 10181988 12727485 16969980 17252813 25454970 34505626 50909940 51758439 69011252 86264065 103516878 155275317 172528130 207033756 258792195 310550634 345056260 517584390 621101268 776376585 1035168780 1552753170 3105506340