Search a number
-
+
2551895948 = 227293142729
BaseRepresentation
bin1001100000011010…
…1101011110001100
320120211211202010202
42120012231132030
520211241132243
61101115553032
7120144520610
oct23006553614
96524752122
102551895948
11109a52a218
125b275b778
133188cc804
141a2cbd340
15ee07c4b8
hex981ad78c

2551895948 has 24 divisors (see below), whose sum is σ = 5279786400. Its totient is φ = 1055956608.

The previous prime is 2551895903. The next prime is 2551895953. The reversal of 2551895948 is 8495981552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2551895893 and 2551895902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1570553 + ... + 1572176.

It is an arithmetic number, because the mean of its divisors is an integer number (219991100).

Almost surely, 22551895948 is an apocalyptic number.

2551895948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2551895948 is an abundant number, since it is smaller than the sum of its proper divisors (2727890452).

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

2551895948 is a wasteful number, since it uses less digits than its factorization.

2551895948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142769 (or 3142767 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 56.

The square root of 2551895948 is about 50516.2938862304. The cubic root of 2551895948 is about 1366.5357174817.

The spelling of 2551895948 in words is "two billion, five hundred fifty-one million, eight hundred ninety-five thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 3142729 6285458 12570916 21999103 43998206 87996412 91139141 182278282 364556564 637973987 1275947974 2551895948