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12494230 = 257178489
BaseRepresentation
bin101111101010…
…010110010110
3212111202212021
4233222112112
511144303410
61123443354
7211125220
oct57522626
925452767
1012494230
117064111
12422655a
132785c48
141933410
15116beda
hexbea596

12494230 has 16 divisors (see below), whose sum is σ = 25702560. Its totient is φ = 4283712.

The previous prime is 12494219. The next prime is 12494231. The reversal of 12494230 is 3249421.

It is a super-2 number, since 2×124942302 = 312211566585800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12494195 and 12494204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89175 + ... + 89314.

It is an arithmetic number, because the mean of its divisors is an integer number (1606410).

Almost surely, 212494230 is an apocalyptic number.

12494230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12494230 is an abundant number, since it is smaller than the sum of its proper divisors (13208330).

12494230 is a wasteful number, since it uses less digits than its factorization.

12494230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178503.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 12494230 is about 3534.7178105190. The cubic root of 12494230 is about 232.0437268947.

The spelling of 12494230 in words is "twelve million, four hundred ninety-four thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 178489 356978 892445 1249423 1784890 2498846 6247115 12494230