Search a number
-
+
2555081952 = 25341649157
BaseRepresentation
bin1001100001001011…
…0111010011100000
320121001211121111220
42120102313103200
520213100110302
61101312135040
7120213560343
oct23022672340
96531747456
102555081952
1110a1305985
125b3837480
13319476a17
141a34ac45a
15ee4ab4bc
hex984b74e0

2555081952 has 48 divisors (see below), whose sum is σ = 6870688272. Its totient is φ = 830919680.

The previous prime is 2555081951. The next prime is 2555081957. The reversal of 2555081952 is 2591805552.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×25550819522 = 13056887562872260608, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555081951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320643 + ... + 328514.

It is an arithmetic number, because the mean of its divisors is an integer number (143139339).

Almost surely, 22555081952 is an apocalyptic number.

It is an amenable number.

2555081952 is an abundant number, since it is smaller than the sum of its proper divisors (4315606320).

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

2555081952 is a wasteful number, since it uses less digits than its factorization.

2555081952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649211 (or 649203 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 2555081952 is about 50547.8184692475. The cubic root of 2555081952 is about 1367.1041807899.

Subtracting 2555081952 from its reverse (2591805552), we obtain a square (36723600 = 60602).

The spelling of 2555081952 in words is "two billion, five hundred fifty-five million, eighty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 82 96 123 164 246 328 492 656 984 1312 1968 3936 649157 1298314 1947471 2596628 3894942 5193256 7789884 10386512 15579768 20773024 26615437 31159536 53230874 62319072 79846311 106461748 159692622 212923496 319385244 425846992 638770488 851693984 1277540976 2555081952