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2552981460 = 2235172579739
BaseRepresentation
bin1001100000101011…
…0110011111010100
320120220212220011220
42120022312133110
520212030401320
61101155130340
7120156661431
oct23012663724
96526786156
102552981460
1110a0100837
125b2ba39b0
13318bbc923
141a30c2b88
15ee1e3e40
hex982b67d4

2552981460 has 96 divisors (see below), whose sum is σ = 7599070080. Its totient is φ = 638189568.

The previous prime is 2552981449. The next prime is 2552981503. The reversal of 2552981460 is 641892552.

2552981460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257271 + ... + 267009.

It is an arithmetic number, because the mean of its divisors is an integer number (79156980).

Almost surely, 22552981460 is an apocalyptic number.

2552981460 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 2552981460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3799535040).

2552981460 is an abundant number, since it is smaller than the sum of its proper divisors (5046088620).

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

2552981460 is a wasteful number, since it uses less digits than its factorization.

2552981460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10025 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 2552981460 is about 50527.0369208407. The cubic root of 2552981460 is about 1366.7294532593.

The spelling of 2552981460 in words is "two billion, five hundred fifty-two million, nine hundred eighty-one thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 257 340 510 514 771 1020 1028 1285 1542 2570 3084 3855 4369 5140 7710 8738 9739 13107 15420 17476 19478 21845 26214 29217 38956 43690 48695 52428 58434 65535 87380 97390 116868 131070 146085 165563 194780 262140 292170 331126 496689 584340 662252 827815 993378 1655630 1986756 2483445 2502923 3311260 4966890 5005846 7508769 9933780 10011692 12514615 15017538 25029230 30035076 37543845 42549691 50058460 75087690 85099382 127649073 150175380 170198764 212748455 255298146 425496910 510596292 638245365 850993820 1276490730 2552981460