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18995026 = 294110093
BaseRepresentation
bin100100001110…
…1011101010010
31022202001021111
41020131131102
514330320101
61515043534
7320312041
oct110353522
938661244
1018995026
11a7a4276
1264405aa
133c20b7b
142746558
151a03251
hex121d752

18995026 has 8 divisors (see below), whose sum is σ = 28525644. Its totient is φ = 9486480.

The previous prime is 18995021. The next prime is 18995027. The reversal of 18995026 is 62059981.

It can be written as a sum of positive squares in 2 ways, for example, as 18913801 + 81225 = 4349^2 + 285^2 .

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

It is a super-2 number, since 2×189950262 = 721622025481352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18995026.

It is not an unprimeable number, because it can be changed into a prime (18995021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3165 + ... + 6928.

Almost surely, 218995026 is an apocalyptic number.

18995026 is a deficient number, since it is larger than the sum of its proper divisors (9530618).

18995026 is a wasteful number, since it uses less digits than its factorization.

18995026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 18995026 is about 4358.3283492642. The cubic root of 18995026 is about 266.8168775245.

The spelling of 18995026 in words is "eighteen million, nine hundred ninety-five thousand, twenty-six".

Divisors: 1 2 941 1882 10093 20186 9497513 18995026