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245055678 = 2375834659
BaseRepresentation
bin11101001101101…
…00000010111110
3122002010010012020
432212310002332
51000213240203
640152221010
76033640020
oct1646640276
9562103166
10245055678
11116366a5a
126a09a766
133ba0107a
1424790010
15167a9153
hexe9b40be

245055678 has 16 divisors (see below), whose sum is σ = 560127360. Its totient is φ = 70015896.

The previous prime is 245055677. The next prime is 245055683. The reversal of 245055678 is 876550542.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5834659 = 245055678 / (2 + 4 + 5 + 0 + 5 + 5 + 6 + 7 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245055677) 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, 2917288 + ... + 2917371.

It is an arithmetic number, because the mean of its divisors is an integer number (35007960).

Almost surely, 2245055678 is an apocalyptic number.

245055678 is an abundant number, since it is smaller than the sum of its proper divisors (315071682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245055678 is a wasteful number, since it uses less digits than its factorization.

245055678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834671.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 245055678 is about 15654.2543099312. The cubic root of 245055678 is about 625.7798717021.

The spelling of 245055678 in words is "two hundred forty-five million, fifty-five thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 5834659 11669318 17503977 35007954 40842613 81685226 122527839 245055678