Search a number
-
+
530722136 = 23721971257
BaseRepresentation
bin11111101000100…
…010110101011000
31100222122110220102
4133220202311120
52041331102021
6124355114532
716103030600
oct3750426530
91328573812
10530722136
1125264043a
121298a2a48
1385c50989
14506b1c00
15318d600b
hex1fa22d58

530722136 has 48 divisors (see below), whose sum is σ = 1218511800. Its totient is φ = 215478144.

The previous prime is 530722123. The next prime is 530722183. The reversal of 530722136 is 631227035.

It is a junction number, because it is equal to n+sod(n) for n = 530722099 and 530722108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28181 + ... + 43076.

Almost surely, 2530722136 is an apocalyptic number.

530722136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

530722136 is an abundant number, since it is smaller than the sum of its proper divisors (687789664).

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

530722136 is a wasteful number, since it uses less digits than its factorization.

530722136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71296 (or 71285 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 530722136 is about 23037.4073194012. The cubic root of 530722136 is about 809.6346144530.

The spelling of 530722136 in words is "five hundred thirty million, seven hundred twenty-two thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 3724 7448 71257 142514 285028 498799 570056 997598 1353883 1995196 2707766 3491593 3990392 5415532 6983186 9477181 10831064 13966372 18954362 27932744 37908724 66340267 75817448 132680534 265361068 530722136