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245090378 = 2139426553
BaseRepresentation
bin11101001101111…
…00100001001010
3122002011212210102
432212330201022
51000220343003
640153045402
76034143131
oct1646744112
9562155712
10245090378
11116390035
126a0b6862
133ba13ac0
142479c918
15167b4588
hexe9bc84a

245090378 has 8 divisors (see below), whose sum is σ = 395915268. Its totient is φ = 113118624.

The previous prime is 245090347. The next prime is 245090399. The reversal of 245090378 is 873090542.

245090378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209294089 + 35796289 = 14467^2 + 5983^2 .

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

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, 4713251 + ... + 4713302.

Almost surely, 2245090378 is an apocalyptic number.

245090378 is a deficient number, since it is larger than the sum of its proper divisors (150824890).

245090378 is a wasteful number, since it uses less digits than its factorization.

245090378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9426568.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 245090378 is about 15655.3625956092. The cubic root of 245090378 is about 625.8094072168.

The spelling of 245090378 in words is "two hundred forty-five million, ninety thousand, three hundred seventy-eight".

Divisors: 1 2 13 26 9426553 18853106 122545189 245090378