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20214502 = 2711211933
BaseRepresentation
bin100110100011…
…1001011100110
31102001000002021
41031013023212
520133331002
62001133354
7333551260
oct115071346
942030067
1020214502
1110457500
12692a25a
134259c59
142982b30
151b94737
hex13472e6

20214502 has 24 divisors (see below), whose sum is σ = 38093328. Its totient is φ = 7875120.

The previous prime is 20214497. The next prime is 20214527. The reversal of 20214502 is 20541202.

It is a super-2 number, since 2×202145022 = 817252182216008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4273 + ... + 7660.

It is an arithmetic number, because the mean of its divisors is an integer number (1587222).

Almost surely, 220214502 is an apocalyptic number.

20214502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20214502 is a deficient number, since it is larger than the sum of its proper divisors (17878826).

20214502 is a wasteful number, since it uses less digits than its factorization.

20214502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11964 (or 11953 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 20214502 is about 4496.0540477178. The cubic root of 20214502 is about 272.4087262700.

Adding to 20214502 its reverse (20541202), we get a palindrome (40755704).

The spelling of 20214502 in words is "twenty million, two hundred fourteen thousand, five hundred two".

Divisors: 1 2 7 11 14 22 77 121 154 242 847 1694 11933 23866 83531 131263 167062 262526 918841 1443893 1837682 2887786 10107251 20214502