Search a number
-
+
2553242520 = 233521277021
BaseRepresentation
bin1001100000101111…
…0110001110011000
320120221101011021210
42120023312032120
520212112230040
61101204503120
7120162126513
oct23013661630
96527334253
102553242520
1110a0269994
125b30aaaa0
13318c816ba
141a314dd7a
15ee246480
hex982f6398

2553242520 has 32 divisors (see below), whose sum is σ = 7659727920. Its totient is φ = 680864640.

The previous prime is 2553242509. The next prime is 2553242521. The reversal of 2553242520 is 252423552.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553242521) 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, 10638391 + ... + 10638630.

Almost surely, 22553242520 is an apocalyptic number.

2553242520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553242520 is an abundant number, since it is smaller than the sum of its proper divisors (5106485400).

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

2553242520 is a wasteful number, since it uses less digits than its factorization.

2553242520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21277035 (or 21277031 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2553242520 is about 50529.6202241814. The cubic root of 2553242520 is about 1366.7760375159.

The spelling of 2553242520 in words is "two billion, five hundred fifty-three million, two hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 21277021 42554042 63831063 85108084 106385105 127662126 170216168 212770210 255324252 319155315 425540420 510648504 638310630 851080840 1276621260 2553242520