Search a number
-
+
15307144302 = 2311359937691
BaseRepresentation
bin11100100000110000…
…00111110001101110
31110111210002111110110
432100120013301232
5222322112104202
611010525120450
71051216402602
oct162030076156
943453074413
1015307144302
11654553608a
122b723b9126
13159c378948
14a52d37502
155e8c8526c
hex390607c6e

15307144302 has 32 divisors (see below), whose sum is σ = 30937593600. Its totient is φ = 5048650880.

The previous prime is 15307144297. The next prime is 15307144309. The reversal of 15307144302 is 20344170351.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15307144302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15307144309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387277 + ... + 424967.

It is an arithmetic number, because the mean of its divisors is an integer number (966799800).

Almost surely, 215307144302 is an apocalyptic number.

15307144302 is an abundant number, since it is smaller than the sum of its proper divisors (15630449298).

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

15307144302 is a wasteful number, since it uses less digits than its factorization.

15307144302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38408.

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 15307144302 in words is "fifteen billion, three hundred seven million, one hundred forty-four thousand, three hundred two".

Divisors: 1 2 3 6 113 226 339 599 678 1198 1797 3594 37691 67687 75382 113073 135374 203061 226146 406122 4259083 8518166 12777249 22576909 25554498 45153818 67730727 135461454 2551190717 5102381434 7653572151 15307144302