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245897836 = 22534711497
BaseRepresentation
bin11101010100000…
…01101001101100
3122010200220102021
432222001221230
51000422212321
640222235524
76044045212
oct1652015154
9563626367
10245897836
11116891758
126a425ba4
133bc374a2
142492ccb2
15168c3941
hexea81a6c

245897836 has 12 divisors (see below), whose sum is σ = 430439128. Its totient is φ = 122915232.

The previous prime is 245897803. The next prime is 245897837. The reversal of 245897836 is 638798542.

It is not an unprimeable number, because it can be changed into a prime (245897837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15640 + ... + 27136.

Almost surely, 2245897836 is an apocalyptic number.

It is an amenable number.

245897836 is a deficient number, since it is larger than the sum of its proper divisors (184541292).

245897836 is a wasteful number, since it uses less digits than its factorization.

245897836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16848 (or 16846 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 245897836 is about 15681.1299337771. The cubic root of 245897836 is about 626.4959034999.

The spelling of 245897836 in words is "two hundred forty-five million, eight hundred ninety-seven thousand, eight hundred thirty-six".

Divisors: 1 2 4 5347 10694 11497 21388 22994 45988 61474459 122948918 245897836