Search a number
-
+
72057060 = 22335133439
BaseRepresentation
bin1000100101110…
…00000011100100
312000120212201000
410102320003210
5121421311220
611052233300
71533321615
oct422700344
9160525630
1072057060
1137746599
122016b830
1311c0bc1a
1497d9c0c
1564d5390
hex44b80e4

72057060 has 48 divisors (see below), whose sum is σ = 224179200. Its totient is φ = 19215072.

The previous prime is 72057053. The next prime is 72057071. The reversal of 72057060 is 6075027.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66180 + ... + 67259.

It is an arithmetic number, because the mean of its divisors is an integer number (4670400).

Almost surely, 272057060 is an apocalyptic number.

It is an amenable number.

72057060 is an abundant number, since it is smaller than the sum of its proper divisors (152122140).

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

72057060 is a wasteful number, since it uses less digits than its factorization.

72057060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133457 (or 133449 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 72057060 is about 8488.6430010927. The cubic root of 72057060 is about 416.1266333538.

The spelling of 72057060 in words is "seventy-two million, fifty-seven thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 133439 266878 400317 533756 667195 800634 1200951 1334390 1601268 2001585 2401902 2668780 3602853 4003170 4803804 6004755 7205706 8006340 12009510 14411412 18014265 24019020 36028530 72057060