Search a number
-
+
15290064 = 2432106181
BaseRepresentation
bin111010010100…
…111011010000
31001202211000200
4322110323100
512403240224
61303415200
7243651306
oct72247320
931684020
1015290064
1186a3719
125154500
13322469a
142060276
1515205c9
hexe94ed0

15290064 has 30 divisors (see below), whose sum is σ = 42791346. Its totient is φ = 5096640.

The previous prime is 15290057. The next prime is 15290081. The reversal of 15290064 is 46009251.

15290064 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9000000 + 6290064 = 3000^2 + 2508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52947 + ... + 53234.

Almost surely, 215290064 is an apocalyptic number.

It is an amenable number.

15290064 is an abundant number, since it is smaller than the sum of its proper divisors (27501282).

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

15290064 is a wasteful number, since it uses less digits than its factorization.

15290064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106195 (or 106186 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 15290064 is about 3910.2511428296. The cubic root of 15290064 is about 248.2007566246.

The spelling of 15290064 in words is "fifteen million, two hundred ninety thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 106181 212362 318543 424724 637086 849448 955629 1274172 1698896 1911258 2548344 3822516 5096688 7645032 15290064