Search a number
-
+
72465528 = 2333019397
BaseRepresentation
bin1000101000110…
…11110001111000
312001100122000110
410110123301320
5122022344103
611105104320
71536642522
oct424336170
9161318013
1072465528
11379a5473
12203280a0
1312022b15
1498a4a12
156566403
hex451bc78

72465528 has 16 divisors (see below), whose sum is σ = 181163880. Its totient is φ = 24155168.

The previous prime is 72465473. The next prime is 72465529. The reversal of 72465528 is 82556427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72465529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1509675 + ... + 1509722.

Almost surely, 272465528 is an apocalyptic number.

It is an amenable number.

72465528 is an abundant number, since it is smaller than the sum of its proper divisors (108698352).

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

72465528 is a wasteful number, since it uses less digits than its factorization.

72465528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019406 (or 3019402 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 72465528 is about 8512.6686767429. The cubic root of 72465528 is about 416.9114477070.

The spelling of 72465528 in words is "seventy-two million, four hundred sixty-five thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 3019397 6038794 9058191 12077588 18116382 24155176 36232764 72465528