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248269690 = 2524826969
BaseRepresentation
bin11101100110001…
…00101101111010
3122022011101222201
432303010231322
51002024112230
640345140414
76103154224
oct1663045572
9568141881
10248269690
11118161769
126b18a70a
133c587c56
1424d89414
1516be15ca
hexecc4b7a

248269690 has 8 divisors (see below), whose sum is σ = 446885460. Its totient is φ = 99307872.

The previous prime is 248269687. The next prime is 248269709. The reversal of 248269690 is 96962842.

It can be written as a sum of positive squares in 2 ways, for example, as 228100609 + 20169081 = 15103^2 + 4491^2 .

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

It is a super-2 number, since 2×2482696902 = 123275677945392200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 248269690.

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, 12413475 + ... + 12413494.

Almost surely, 2248269690 is an apocalyptic number.

248269690 is a deficient number, since it is larger than the sum of its proper divisors (198615770).

248269690 is a wasteful number, since it uses less digits than its factorization.

248269690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24826976.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 248269690 is about 15756.5760874627. The cubic root of 248269690 is about 628.5037896276.

The spelling of 248269690 in words is "two hundred forty-eight million, two hundred sixty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 24826969 49653938 124134845 248269690