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245740836 = 223112169243
BaseRepresentation
bin11101010010110…
…11010100100100
3122010101221001110
432221123110210
51000402201321
640215025020
76042522405
oct1651332444
9563357043
10245740836
11116794800
126a36b170
133bbb0ba3
14248cb9ac
1516892176
hexea5b524

245740836 has 36 divisors (see below), whose sum is σ = 630264656. Its totient is φ = 74466480.

The previous prime is 245740823. The next prime is 245740853. The reversal of 245740836 is 638047542.

It is a happy number.

245740836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245740794 and 245740803.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83170 + ... + 86073.

Almost surely, 2245740836 is an apocalyptic number.

It is an amenable number.

245740836 is an abundant number, since it is smaller than the sum of its proper divisors (384523820).

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

245740836 is a wasteful number, since it uses less digits than its factorization.

245740836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169272 (or 169259 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 245740836 is about 15676.1231176589. The cubic root of 245740836 is about 626.3625408002.

The spelling of 245740836 in words is "two hundred forty-five million, seven hundred forty thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 169243 338486 507729 676972 1015458 1861673 2030916 3723346 5585019 7446692 11170038 20478403 22340076 40956806 61435209 81913612 122870418 245740836