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245475969 = 3400320441
BaseRepresentation
bin11101010000110…
…10101010000001
3122002220110201120
432220122222001
51000320212334
640205222453
76040340244
oct1650325201
9562813646
10245475969
11116623802
126a261a29
133bb1a46b
142485d25b
151683d949
hexea1aa81

245475969 has 8 divisors (see below), whose sum is σ = 327399072. Its totient is φ = 163601760.

The previous prime is 245475961. The next prime is 245475977. The reversal of 245475969 is 969574542.

It is an interprime number because it is at equal distance from previous prime (245475961) and next prime (245475977).

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

It is not a de Polignac number, because 245475969 - 23 = 245475961 is a prime.

It is a super-2 number, since 2×2454759692 = 120516902712977922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245475961) 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, 1789 + ... + 22229.

It is an arithmetic number, because the mean of its divisors is an integer number (40924884).

Almost surely, 2245475969 is an apocalyptic number.

It is an amenable number.

245475969 is a deficient number, since it is larger than the sum of its proper divisors (81923103).

245475969 is a wasteful number, since it uses less digits than its factorization.

245475969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24447.

The product of its digits is 2721600, while the sum is 51.

The square root of 245475969 is about 15667.6727372000. The cubic root of 245475969 is about 626.1374223237.

The spelling of 245475969 in words is "two hundred forty-five million, four hundred seventy-five thousand, nine hundred sixty-nine".

Divisors: 1 3 4003 12009 20441 61323 81825323 245475969