Search a number
-
+
55742634 = 2338312437
BaseRepresentation
bin1101010010100…
…1000010101010
310212220000112000
43110221002222
5103232231014
65310431430
71244542653
oct324510252
9125800460
1055742634
11295132a2
1216802576
13b71920c
14759052a
154d61509
hex35290aa

55742634 has 32 divisors (see below), whose sum is σ = 125375040. Its totient is φ = 18355536.

The previous prime is 55742627. The next prime is 55742651. The reversal of 55742634 is 43624755.

55742634 is a `hidden beast` number, since 557 + 42 + 63 + 4 = 666.

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 15 ways as a sum of consecutive naturals, for example, 1737 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (3917970).

Almost surely, 255742634 is an apocalyptic number.

55742634 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55742634 is an abundant number, since it is smaller than the sum of its proper divisors (69632406).

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

55742634 is a wasteful number, since it uses less digits than its factorization.

55742634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531 (or 12525 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 55742634 is about 7466.0989813958. The cubic root of 55742634 is about 381.9992370442. Note that the first 3 decimals are identical.

The spelling of 55742634 in words is "fifty-five million, seven hundred forty-two thousand, six hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 83 166 249 498 747 1494 2241 4482 12437 24874 37311 74622 111933 223866 335799 671598 1032271 2064542 3096813 6193626 9290439 18580878 27871317 55742634