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245706629 = 725014421
BaseRepresentation
bin11101010010100…
…10111110000101
3122010100012010112
432221102332011
51000400103004
640214202405
76042320600
oct1651227605
9563305115
10245706629
11116771033
126a353405
133bb9b44c
14248bd337
1516886e6e
hexea52f85

245706629 has 6 divisors (see below), whose sum is σ = 285822054. Its totient is φ = 210605640.

The previous prime is 245706619. The next prime is 245706641. The reversal of 245706629 is 926607542.

It can be written as a sum of positive squares in only one way, i.e., 239320900 + 6385729 = 15470^2 + 2527^2 .

It is a de Polignac number, because none of the positive numbers 2k-245706629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245706619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2507162 + ... + 2507259.

It is an arithmetic number, because the mean of its divisors is an integer number (47637009).

Almost surely, 2245706629 is an apocalyptic number.

It is an amenable number.

245706629 is a deficient number, since it is larger than the sum of its proper divisors (40115425).

245706629 is an equidigital number, since it uses as much as digits as its factorization.

245706629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014435 (or 5014428 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 245706629 is about 15675.0320254856. The cubic root of 245706629 is about 626.3334763353. Note that the first 3 decimals are identical.

The spelling of 245706629 in words is "two hundred forty-five million, seven hundred six thousand, six hundred twenty-nine".

Divisors: 1 7 49 5014421 35100947 245706629