Search a number
-
+
54825144 = 23311207671
BaseRepresentation
bin1101000100100…
…1000010111000
310211011101221220
43101021002320
5103013401034
65235032040
71234002033
oct321110270
9124141856
1054825144
1128a46a40
121643b620
13b48771a
1473d201a
154c2e749
hex34490b8

54825144 has 32 divisors (see below), whose sum is σ = 149523840. Its totient is φ = 16613600.

The previous prime is 54825107. The next prime is 54825151. The reversal of 54825144 is 44152845.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 103572 + ... + 104099.

It is an arithmetic number, because the mean of its divisors is an integer number (4672620).

Almost surely, 254825144 is an apocalyptic number.

It is an amenable number.

54825144 is an abundant number, since it is smaller than the sum of its proper divisors (94698696).

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

54825144 is a wasteful number, since it uses less digits than its factorization.

54825144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207691 (or 207687 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 54825144 is about 7404.4003133272. The cubic root of 54825144 is about 379.8918066867.

Adding to 54825144 its reverse (44152845), we get a palindrome (98977989).

The spelling of 54825144 in words is "fifty-four million, eight hundred twenty-five thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 207671 415342 623013 830684 1246026 1661368 2284381 2492052 4568762 4984104 6853143 9137524 13706286 18275048 27412572 54825144