[go: up one dir, main page]

Search a number
-
+
54680540 = 2252734027
BaseRepresentation
bin1101000010010…
…1101111011100
310210220001121012
43100211233130
5102444234130
65231554352
71232530325
oct320455734
9123801535
1054680540
1128958332
121638b9b8
13b436965
14739544c
154c01995
hex3425bdc

54680540 has 12 divisors (see below), whose sum is σ = 114829176. Its totient is φ = 21872208.

The previous prime is 54680533. The next prime is 54680581. The reversal of 54680540 is 4508645.

It is a super-2 number, since 2×546805402 = 5979922909383200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54680497 and 54680506.

It is a congruent number.

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, 1366994 + ... + 1367033.

It is an arithmetic number, because the mean of its divisors is an integer number (9569098).

Almost surely, 254680540 is an apocalyptic number.

It is an amenable number.

54680540 is an abundant number, since it is smaller than the sum of its proper divisors (60148636).

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

54680540 is a wasteful number, since it uses less digits than its factorization.

54680540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734036 (or 2734034 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 54680540 is about 7394.6291320120. The cubic root of 54680540 is about 379.5575182038.

The spelling of 54680540 in words is "fifty-four million, six hundred eighty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2734027 5468054 10936108 13670135 27340270 54680540