[go: up one dir, main page]

Search a number
-
+
72788496 = 24311314447
BaseRepresentation
bin1000101011010…
…10101000010000
312001222001001020
410111222220100
5122113212441
611120035440
71542456234
oct425525020
9161861036
1072788496
11380a6090
1220462b80
1312106b21
14994a5c4
1565cbe66
hex456aa10

72788496 has 80 divisors (see below), whose sum is σ = 211795968. Its totient is φ = 21340800.

The previous prime is 72788483. The next prime is 72788531. The reversal of 72788496 is 69488727.

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, 14145 + ... + 18591.

Almost surely, 272788496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72788496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105897984).

72788496 is an abundant number, since it is smaller than the sum of its proper divisors (139007472).

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

72788496 is a wasteful number, since it uses less digits than its factorization.

72788496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500 (or 4494 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 51.

The square root of 72788496 is about 8531.6174316480. The cubic root of 72788496 is about 417.5299004486.

The spelling of 72788496 in words is "seventy-two million, seven hundred eighty-eight thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 124 132 176 186 248 264 341 372 496 528 682 744 1023 1364 1488 2046 2728 4092 4447 5456 8184 8894 13341 16368 17788 26682 35576 48917 53364 71152 97834 106728 137857 146751 195668 213456 275714 293502 391336 413571 551428 587004 782672 827142 1102856 1174008 1516427 1654284 2205712 2348016 3032854 3308568 4549281 6065708 6617136 9098562 12131416 18197124 24262832 36394248 72788496