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248625740 = 225111130117
BaseRepresentation
bin11101101000110…
…11101001001100
3122022211111101202
432310123221030
51002122010430
640400525032
76106166246
oct1664335114
9568744352
10248625740
11118385220
126b320778
133c68102c
142503d096
1516c61d45
hexed1ba4c

248625740 has 24 divisors (see below), whose sum is σ = 569579472. Its totient is φ = 90409280.

The previous prime is 248625733. The next prime is 248625757. The reversal of 248625740 is 47526842.

It is a junction number, because it is equal to n+sod(n) for n = 248625694 and 248625703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564839 + ... + 565278.

It is an arithmetic number, because the mean of its divisors is an integer number (23732478).

Almost surely, 2248625740 is an apocalyptic number.

248625740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

248625740 is an abundant number, since it is smaller than the sum of its proper divisors (320953732).

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

248625740 is a wasteful number, since it uses less digits than its factorization.

248625740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130137 (or 1130135 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 248625740 is about 15767.8704966777. The cubic root of 248625740 is about 628.8040973075.

The spelling of 248625740 in words is "two hundred forty-eight million, six hundred twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1130117 2260234 4520468 5650585 11301170 12431287 22602340 24862574 49725148 62156435 124312870 248625740