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245636676 = 22326823241
BaseRepresentation
bin11101010010000…
…01111001000100
3122010012122011200
432221001321010
51000340333201
640212502500
76041606625
oct1651017104
9563178150
10245636676
1111672351a
126a31aa30
133bb7565c
14248a1a4c
1516871386
hexea41e44

245636676 has 18 divisors (see below), whose sum is σ = 620915022. Its totient is φ = 81878880.

The previous prime is 245636639. The next prime is 245636687. The reversal of 245636676 is 676636542.

245636676 is a `hidden beast` number, since 2 + 4 + 5 + 636 + 6 + 7 + 6 = 666.

245636676 is digitally balanced in base 3, 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 only one way, i.e., 143424576 + 102212100 = 11976^2 + 10110^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3411585 + ... + 3411656.

It is an arithmetic number, because the mean of its divisors is an integer number (34495279).

Almost surely, 2245636676 is an apocalyptic number.

It is an amenable number.

245636676 is an abundant number, since it is smaller than the sum of its proper divisors (375278346).

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

245636676 is a wasteful number, since it uses less digits than its factorization.

245636676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823251 (or 6823246 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 245636676 is about 15672.8005155428. The cubic root of 245636676 is about 626.2740313725.

The spelling of 245636676 in words is "two hundred forty-five million, six hundred thirty-six thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 6823241 13646482 20469723 27292964 40939446 61409169 81878892 122818338 245636676