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248856645 = 3516590443
BaseRepresentation
bin11101101010101…
…00000001000101
3122100021020010210
432311110001011
51002201403040
640405510033
76111150402
oct1665240105
9570236123
10248856645
11118522754
126b412319
133c73216b
142509d2a9
1516caa480
hexed54045

248856645 has 8 divisors (see below), whose sum is σ = 398170656. Its totient is φ = 132723536.

The previous prime is 248856613. The next prime is 248856653. The reversal of 248856645 is 546658842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248856645 - 25 = 248856613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248856594 and 248856603.

It is a congruent number.

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, 8295207 + ... + 8295236.

It is an arithmetic number, because the mean of its divisors is an integer number (49771332).

Almost surely, 2248856645 is an apocalyptic number.

It is an amenable number.

248856645 is a deficient number, since it is larger than the sum of its proper divisors (149314011).

248856645 is a wasteful number, since it uses less digits than its factorization.

248856645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16590451.

The product of its digits is 1843200, while the sum is 48.

The square root of 248856645 is about 15775.1908070869. The cubic root of 248856645 is about 628.9986991547.

The spelling of 248856645 in words is "two hundred forty-eight million, eight hundred fifty-six thousand, six hundred forty-five".

Divisors: 1 3 5 15 16590443 49771329 82952215 248856645