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245370417 = 3233556093
BaseRepresentation
bin11101010000000…
…00111000110001
3122002201002221020
432220000320301
51000303323132
640203050053
76036420435
oct1650007061
9562632836
10245370417
11116561476
126a210929
133bab13c6
14248329c5
151681c52c
hexea00e31

245370417 has 8 divisors (see below), whose sum is σ = 341385024. Its totient is φ = 156468048.

The previous prime is 245370379. The next prime is 245370431. The reversal of 245370417 is 714073542.

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

It is not a de Polignac number, because 245370417 - 26 = 245370353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245370457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777978 + ... + 1778115.

It is an arithmetic number, because the mean of its divisors is an integer number (42673128).

Almost surely, 2245370417 is an apocalyptic number.

It is an amenable number.

245370417 is a deficient number, since it is larger than the sum of its proper divisors (96014607).

245370417 is a wasteful number, since it uses less digits than its factorization.

245370417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556119.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 245370417 is about 15664.3039104839. The cubic root of 245370417 is about 626.0476653611.

The spelling of 245370417 in words is "two hundred forty-five million, three hundred seventy thousand, four hundred seventeen".

Divisors: 1 3 23 69 3556093 10668279 81790139 245370417