Search a number
-
+
15994914 = 2313205063
BaseRepresentation
bin111101000001…
…000000100010
31010002121220020
4331001000202
513043314124
61330454310
7252645255
oct75010042
933077806
1015994914
119035241
125434396
133410460
1421a509c
15160e379
hexf41022

15994914 has 16 divisors (see below), whose sum is σ = 34450752. Its totient is φ = 4921488.

The previous prime is 15994907. The next prime is 15994919. The reversal of 15994914 is 41949951.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15994919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102454 + ... + 102609.

It is an arithmetic number, because the mean of its divisors is an integer number (2153172).

Almost surely, 215994914 is an apocalyptic number.

15994914 is an abundant number, since it is smaller than the sum of its proper divisors (18455838).

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

15994914 is a wasteful number, since it uses less digits than its factorization.

15994914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205081.

The product of its digits is 58320, while the sum is 42.

The square root of 15994914 is about 3999.3641994697. The cubic root of 15994914 is about 251.9575073225.

The spelling of 15994914 in words is "fifteen million, nine hundred ninety-four thousand, nine hundred fourteen".

Divisors: 1 2 3 6 13 26 39 78 205063 410126 615189 1230378 2665819 5331638 7997457 15994914