Search a number
-
+
3155252740 = 2255913919237
BaseRepresentation
bin1011110000010001…
…0101011000000100
322010220011110001121
42330010111120010
522430221041430
61241032003324
7141122130403
oct27404253004
98126143047
103155252740
11137a0700a2
12740830544
133b3902273
1421d09b63a
1513700ea7a
hexbc115604

3155252740 has 48 divisors (see below), whose sum is σ = 6787166400. Its totient is φ = 1231719552.

The previous prime is 3155252713. The next prime is 3155252741. The reversal of 3155252740 is 472525513.

It is a junction number, because it is equal to n+sod(n) for n = 3155252696 and 3155252705.

It is not an unprimeable number, because it can be changed into a prime (3155252741) 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, 154402 + ... + 173638.

It is an arithmetic number, because the mean of its divisors is an integer number (141399300).

Almost surely, 23155252740 is an apocalyptic number.

It is an amenable number.

3155252740 is an abundant number, since it is smaller than the sum of its proper divisors (3631913660).

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

3155252740 is a wasteful number, since it uses less digits than its factorization.

3155252740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444 (or 19442 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 3155252740 is about 56171.6364369065. The cubic root of 3155252740 is about 1466.7115687585.

The spelling of 3155252740 in words is "three billion, one hundred fifty-five million, two hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 59 118 139 236 278 295 556 590 695 1180 1390 2780 8201 16402 19237 32804 38474 41005 76948 82010 96185 164020 192370 384740 1134983 2269966 2673943 4539932 5347886 5674915 10695772 11349830 13369715 22699660 26739430 53478860 157762637 315525274 631050548 788813185 1577626370 3155252740