Search a number
-
+
72727054 = 2173169001
BaseRepresentation
bin1000101010110…
…11101000001110
312001211220202121
410111123220032
5122104231204
611114443154
71542112141
oct425335016
9161756677
1072727054
1138063a04
12204334ba
13120b4b7a
149932058
1565b8b54
hex455ba0e

72727054 has 16 divisors (see below), whose sum is σ = 119235456. Its totient is φ = 33120000.

The previous prime is 72727043. The next prime is 72727073. The reversal of 72727054 is 45072727.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33447 + ... + 35554.

It is an arithmetic number, because the mean of its divisors is an integer number (7452216).

Almost surely, 272727054 is an apocalyptic number.

72727054 is a deficient number, since it is larger than the sum of its proper divisors (46508402).

72727054 is a wasteful number, since it uses less digits than its factorization.

72727054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69051.

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 72727054 is about 8528.0158301917. The cubic root of 72727054 is about 417.4123860279.

The spelling of 72727054 in words is "seventy-two million, seven hundred twenty-seven thousand, fifty-four".

Divisors: 1 2 17 31 34 62 527 1054 69001 138002 1173017 2139031 2346034 4278062 36363527 72727054