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18854230 = 251885423
BaseRepresentation
bin100011111101…
…1000101010110
31022110220010211
41013323011112
514311313410
61512040034
7316154413
oct107730526
938426124
1018854230
11a70850a
12639301a
133ba1a65
14270b10a
1519c668a
hex11fb156

18854230 has 8 divisors (see below), whose sum is σ = 33937632. Its totient is φ = 7541688.

The previous prime is 18854189. The next prime is 18854233. The reversal of 18854230 is 3245881.

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

It is a junction number, because it is equal to n+sod(n) for n = 18854192 and 18854201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18854233) 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, 942702 + ... + 942721.

It is an arithmetic number, because the mean of its divisors is an integer number (4242204).

Almost surely, 218854230 is an apocalyptic number.

18854230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18854230 is a deficient number, since it is larger than the sum of its proper divisors (15083402).

18854230 is a wasteful number, since it uses less digits than its factorization.

18854230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885430.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 18854230 is about 4342.1457829050. The cubic root of 18854230 is about 266.1560036142.

The spelling of 18854230 in words is "eighteen million, eight hundred fifty-four thousand, two hundred thirty".

Divisors: 1 2 5 10 1885423 3770846 9427115 18854230