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248922031 = 2331734141
BaseRepresentation
bin11101101011000…
…11111110101111
3122100101112211111
432311203332233
51002211001111
640411132451
76111542131
oct1665437657
9570345744
10248922031
11118567896
126b444127
133c755b57
14250b9051
1516cbea21
hexed63faf

248922031 has 8 divisors (see below), whose sum is σ = 260571744. Its totient is φ = 237341280.

The previous prime is 248921999. The next prime is 248922049. The reversal of 248922031 is 130229842.

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 248922031 - 25 = 248921999 is a prime.

It is a super-2 number, since 2×2489220312 = 123924355034329922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248921984 and 248922002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248922061) 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, 9780 + ... + 24361.

It is an arithmetic number, because the mean of its divisors is an integer number (32571468).

Almost surely, 2248922031 is an apocalyptic number.

248922031 is a deficient number, since it is larger than the sum of its proper divisors (11649713).

248922031 is a wasteful number, since it uses less digits than its factorization.

248922031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34481.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 248922031 is about 15777.2631023254. The cubic root of 248922031 is about 629.0537832205.

The spelling of 248922031 in words is "two hundred forty-eight million, nine hundred twenty-two thousand, thirty-one".

Divisors: 1 23 317 7291 34141 785243 10822697 248922031