Search a number
-
+
54185480 = 2351354637
BaseRepresentation
bin1100111010110…
…0111000001000
310202221220111122
43032230320020
5102332413410
65213214412
71225366106
oct316547010
9122856448
1054185480
112864a398
1216191408
13b2c251b
1472a6c76
154b54e55
hex33ace08

54185480 has 16 divisors (see below), whose sum is σ = 121917420. Its totient is φ = 21674176.

The previous prime is 54185431. The next prime is 54185533. The reversal of 54185480 is 8458145.

It can be written as a sum of positive squares in 2 ways, for example, as 44809636 + 9375844 = 6694^2 + 3062^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54185480.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677279 + ... + 677358.

Almost surely, 254185480 is an apocalyptic number.

It is an amenable number.

54185480 is an abundant number, since it is smaller than the sum of its proper divisors (67731940).

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

54185480 is a wasteful number, since it uses less digits than its factorization.

54185480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354648 (or 1354644 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 54185480 is about 7361.0787252956. The cubic root of 54185480 is about 378.4085799776.

The spelling of 54185480 in words is "fifty-four million, one hundred eighty-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 1354637 2709274 5418548 6773185 10837096 13546370 27092740 54185480