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12494490 = 2351724499
BaseRepresentation
bin101111101010…
…011010011010
3212111210012220
4233222122122
511144310430
61123444510
7211126041
oct57523232
925453186
1012494490
117064328
124226736
1327860b8
141933558
15116c110
hexbea69a

12494490 has 32 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 3135744.

The previous prime is 12494479. The next prime is 12494513. The reversal of 12494490 is 9449421.

It is a super-2 number, since 2×124944902 = 312224560720200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11740 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (992250).

Almost surely, 212494490 is an apocalyptic number.

12494490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12494490 is an abundant number, since it is smaller than the sum of its proper divisors (19257510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12494490 is a wasteful number, since it uses less digits than its factorization.

12494490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24526.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 12494490 is about 3534.7545883696. The cubic root of 12494490 is about 232.0453364630.

The spelling of 12494490 in words is "twelve million, four hundred ninety-four thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 24499 48998 73497 122495 146994 244990 367485 416483 734970 832966 1249449 2082415 2498898 4164830 6247245 12494490