Search a number
-
+
16379994 = 2313719927
BaseRepresentation
bin111110011111…
…000001011010
31010211012010110
4332133001122
513143124434
61343025150
7256141041
oct76370132
933735113
1016379994
119278594
12559b1b6
133516807
142265558
1516884e9
hexf9f05a

16379994 has 16 divisors (see below), whose sum is σ = 33000768. Its totient is φ = 5419872.

The previous prime is 16379989. The next prime is 16379999. The reversal of 16379994 is 49997361.

It is an interprime number because it is at equal distance from previous prime (16379989) and next prime (16379999).

It is not an unprimeable number, because it can be changed into a prime (16379999) 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, 9142 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (2062548).

Almost surely, 216379994 is an apocalyptic number.

16379994 is an abundant number, since it is smaller than the sum of its proper divisors (16620774).

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

16379994 is a wasteful number, since it uses less digits than its factorization.

16379994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20069.

The product of its digits is 367416, while the sum is 48.

The square root of 16379994 is about 4047.2205277202. The cubic root of 16379994 is about 253.9634663391.

The spelling of 16379994 in words is "sixteen million, three hundred seventy-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 137 274 411 822 19927 39854 59781 119562 2729999 5459998 8189997 16379994