Search a number
-
+
54627640 = 2352515441
BaseRepresentation
bin1101000001100…
…0110100111000
310210210101000221
43100120310320
5102441041030
65230505424
71232220154
oct320306470
9123711027
1054627640
1128921611
1216365274
13b418862
147380064
154be0e7a
hex3418d38

54627640 has 32 divisors (see below), whose sum is σ = 123424560. Its totient is φ = 21760000.

The previous prime is 54627623. The next prime is 54627701. The reversal of 54627640 is 4672645.

It is a junction number, because it is equal to n+sod(n) for n = 54627596 and 54627605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320 + ... + 12760.

Almost surely, 254627640 is an apocalyptic number.

It is an amenable number.

54627640 is an abundant number, since it is smaller than the sum of its proper divisors (68796920).

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

54627640 is a wasteful number, since it uses less digits than its factorization.

54627640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703 (or 5699 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 54627640 is about 7391.0513460536. The cubic root of 54627640 is about 379.4350793305.

The spelling of 54627640 in words is "fifty-four million, six hundred twenty-seven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 251 502 1004 1255 2008 2510 5020 5441 10040 10882 21764 27205 43528 54410 108820 217640 1365691 2731382 5462764 6828455 10925528 13656910 27313820 54627640