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54775480 = 2351972073
BaseRepresentation
bin1101000011110…
…0111010111000
310211001212211111
43100330322320
5103010303410
65234010104
71233404164
oct320747270
9124055744
1054775480
1128a126a1
1216416934
13b46ac36
1473bbca4
154c1eb8a
hex343ceb8

54775480 has 32 divisors (see below), whose sum is σ = 129733200. Its totient is φ = 20756736.

The previous prime is 54775463. The next prime is 54775517. The reversal of 54775480 is 8457745.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 35277 + ... + 36796.

Almost surely, 254775480 is an apocalyptic number.

It is an amenable number.

54775480 is an abundant number, since it is smaller than the sum of its proper divisors (74957720).

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

54775480 is a wasteful number, since it uses less digits than its factorization.

54775480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72103 (or 72099 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 54775480 is about 7401.0458720373. The cubic root of 54775480 is about 379.7770622153. Note that the first 3 decimals are identical.

It can be divided in two parts, 54775 and 480, that added together give a palindrome (55255).

The spelling of 54775480 in words is "fifty-four million, seven hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 760 72073 144146 288292 360365 576584 720730 1369387 1441460 2738774 2882920 5477548 6846935 10955096 13693870 27387740 54775480