Search a number
-
+
986980394 = 210915129983
BaseRepresentation
bin111010110101000…
…010000000101010
32112210011210120102
4322311002000222
54010131333034
6241534225402
733313123601
oct7265020052
92483153512
10986980394
11467140a84
12236655262
1312962c08a
149511ca38
155b9ad97e
hex3ad4202a

986980394 has 16 divisors (see below), whose sum is σ = 1503997440. Its totient is φ = 485708400.

The previous prime is 986980381. The next prime is 986980399. The reversal of 986980394 is 493089689.

It is not an unprimeable number, because it can be changed into a prime (986980399) 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, 17927 + ... + 47909.

It is an arithmetic number, because the mean of its divisors is an integer number (93999840).

Almost surely, 2986980394 is an apocalyptic number.

986980394 is a deficient number, since it is larger than the sum of its proper divisors (517017046).

986980394 is a wasteful number, since it uses less digits than its factorization.

986980394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30245.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 986980394 is about 31416.2441103325. The cubic root of 986980394 is about 995.6411594476.

The spelling of 986980394 in words is "nine hundred eighty-six million, nine hundred eighty thousand, three hundred ninety-four".

Divisors: 1 2 109 151 218 302 16459 29983 32918 59966 3268147 4527433 6536294 9054866 493490197 986980394