247412 has 12 divisors (see below), whose sum is σ = 472416. Its totient is φ = 112440.
The previous prime is 247409. The next prime is 247421. The reversal of 247412 is 214742.
It is a super-2 number, since 2×2474122 = 122425395488, which contains 22 as substring.
It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2768 + ... + 2855.
It is an arithmetic number, because the mean of its divisors is an integer number (39368).
2247412 is an apocalyptic number.
247412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
247412 is a deficient number, since it is larger than the sum of its proper divisors (225004).
247412 is a wasteful number, since it uses less digits than its factorization.
247412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5638 (or 5636 counting only the distinct ones).
The product of its digits is 448, while the sum is 20.
The square root of 247412 is about 497.4052673625. The cubic root of 247412 is about 62.7779196720. Note that the first 3 decimals are identical.
The spelling of 247412 in words is "two hundred forty-seven thousand, four hundred twelve", and thus it is an iban number.
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