Search a number
-
+
15730260 = 22357134367
BaseRepresentation
bin111100000000…
…011001010100
31002121011212020
4330000121110
513011332020
61321053140
7250463550
oct74003124
932534766
1015730260
118974417
1253271b0
133349b60
142136860
1515aac40
hexf00654

15730260 has 192 divisors, whose sum is σ = 56297472. Its totient is φ = 3193344.

The previous prime is 15730249. The next prime is 15730277. The reversal of 15730260 is 6203751.

It is a self number, because there is not a number n which added to its sum of digits gives 15730260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234747 + ... + 234813.

It is an arithmetic number, because the mean of its divisors is an integer number (293216).

Almost surely, 215730260 is an apocalyptic number.

15730260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15730260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28148736).

15730260 is an abundant number, since it is smaller than the sum of its proper divisors (40567212).

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

15730260 is a wasteful number, since it uses less digits than its factorization.

15730260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 15730260 is about 3966.1391806138. The cubic root of 15730260 is about 250.5601307436.

The spelling of 15730260 in words is "fifteen million, seven hundred thirty thousand, two hundred sixty".