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20148682 = 243234287
BaseRepresentation
bin100110011011…
…1000111001010
31101220122210111
41030313013022
520124224212
61555504534
7333155341
oct114670712
941818714
1020148682
1110412004
1268b814a
134235cc8
142966b58
151b7eea7
hex13371ca

20148682 has 8 divisors (see below), whose sum is σ = 30926016. Its totient is φ = 9840012.

The previous prime is 20148679. The next prime is 20148763. The reversal of 20148682 is 28684102.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 117058 + ... + 117229.

It is an arithmetic number, because the mean of its divisors is an integer number (3865752).

Almost surely, 220148682 is an apocalyptic number.

20148682 is a deficient number, since it is larger than the sum of its proper divisors (10777334).

20148682 is a wasteful number, since it uses less digits than its factorization.

20148682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234332.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 20148682 is about 4488.7283277115. The cubic root of 20148682 is about 272.1127434145.

The spelling of 20148682 in words is "twenty million, one hundred forty-eight thousand, six hundred eighty-two".

Divisors: 1 2 43 86 234287 468574 10074341 20148682