Search a number
-
+
2550551460 = 223571598721
BaseRepresentation
bin1001100000000110…
…0101001110100100
320120202022102211220
42120001211032210
520210420121320
61101031100340
7120130221042
oct23001451644
96522272756
102550551460
1110997a1076
125b22116b0
1331854b862
141a2a4d392
15eddb3e40
hex980653a4

2550551460 has 48 divisors (see below), whose sum is σ = 7242141312. Its totient is φ = 670566400.

The previous prime is 2550551447. The next prime is 2550551461. The reversal of 2550551460 is 641550552.

It is not an unprimeable number, because it can be changed into a prime (2550551461) 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, 295101 + ... + 303620.

It is an arithmetic number, because the mean of its divisors is an integer number (150877944).

Almost surely, 22550551460 is an apocalyptic number.

2550551460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550551460 is an abundant number, since it is smaller than the sum of its proper divisors (4691589852).

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

2550551460 is a wasteful number, since it uses less digits than its factorization.

2550551460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598804 (or 598802 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 2550551460 is about 50502.9846642750. The cubic root of 2550551460 is about 1366.2956850157.

The spelling of 2550551460 in words is "two billion, five hundred fifty million, five hundred fifty-one thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 598721 1197442 1796163 2394884 2993605 3592326 5987210 7184652 8980815 11974420 17961630 35923260 42509191 85018382 127527573 170036764 212545955 255055146 425091910 510110292 637637865 850183820 1275275730 2550551460