Search a number
-
+
15994482 = 237254403
BaseRepresentation
bin111101000000…
…111001110010
31010002121022020
4331000321302
513043310412
61330452310
7252644100
oct75007162
933077266
1015994482
119034989
125434096
1334101ba
1421a4c70
15160e18c
hexf40e72

15994482 has 24 divisors (see below), whose sum is σ = 37212336. Its totient is φ = 4569768.

The previous prime is 15994477. The next prime is 15994483. The reversal of 15994482 is 28449951.

15994482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (15994483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26908 + ... + 27495.

It is an arithmetic number, because the mean of its divisors is an integer number (1550514).

Almost surely, 215994482 is an apocalyptic number.

15994482 is an abundant number, since it is smaller than the sum of its proper divisors (21217854).

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

15994482 is a wasteful number, since it uses less digits than its factorization.

15994482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54422 (or 54415 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 15994482 is about 3999.3101905204. The cubic root of 15994482 is about 251.9552389635.

The spelling of 15994482 in words is "fifteen million, nine hundred ninety-four thousand, four hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 54403 108806 163209 326418 380821 761642 1142463 2284926 2665747 5331494 7997241 15994482