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20698914 = 237148589
BaseRepresentation
bin100111011110…
…1011100100010
31102221121120110
41032331130202
520244331124
62015352150
7340636455
oct116753442
942847513
1020698914
1110758445
126b22656
1343995a2
142a6b49c
151c3d029
hex13bd722

20698914 has 16 divisors (see below), whose sum is σ = 41981760. Its totient is φ = 6802320.

The previous prime is 20698883. The next prime is 20698933. The reversal of 20698914 is 41989602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23869 + ... + 24720.

It is an arithmetic number, because the mean of its divisors is an integer number (2623860).

Almost surely, 220698914 is an apocalyptic number.

20698914 is an abundant number, since it is smaller than the sum of its proper divisors (21282846).

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

20698914 is a wasteful number, since it uses less digits than its factorization.

20698914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48665.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 20698914 is about 4549.6059169998. The cubic root of 20698914 is about 274.5675362439.

It can be divided in two parts, 20698 and 914, that added together give a palindrome (21612).

The spelling of 20698914 in words is "twenty million, six hundred ninety-eight thousand, nine hundred fourteen".

Divisors: 1 2 3 6 71 142 213 426 48589 97178 145767 291534 3449819 6899638 10349457 20698914