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247093375 = 531976747
BaseRepresentation
bin11101011101001…
…01100001111111
3122012221122101111
432232211201333
51001223442000
640304022451
76060154564
oct1656454177
9565848344
10247093375
11117528a01
126a901a27
133c2656c9
1424b6086b
1516a5ccba
hexeba587f

247093375 has 8 divisors (see below), whose sum is σ = 308372688. Its totient is φ = 197674600.

The previous prime is 247093373. The next prime is 247093391. The reversal of 247093375 is 573390742.

It is not a de Polignac number, because 247093375 - 21 = 247093373 is a prime.

It is a super-2 number, since 2×2470933752 = 122110271937781250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247093373) 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, 988249 + ... + 988498.

It is an arithmetic number, because the mean of its divisors is an integer number (38546586).

Almost surely, 2247093375 is an apocalyptic number.

247093375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247093375 is a deficient number, since it is larger than the sum of its proper divisors (61279313).

247093375 is an equidigital number, since it uses as much as digits as its factorization.

247093375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976762 (or 1976752 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 247093375 is about 15719.2040192880. The cubic root of 247093375 is about 627.5095896483.

The spelling of 247093375 in words is "two hundred forty-seven million, ninety-three thousand, three hundred seventy-five".

Divisors: 1 5 25 125 1976747 9883735 49418675 247093375