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468049157 = 617672937
BaseRepresentation
bin11011111001011…
…101110100000101
31012121201100201222
4123321131310011
51424310033112
6114235530125
714412231542
oct3371356405
91177640658
10468049157
11220224294
121108b9945
1375c79184
1446239bc9
152b156372
hex1be5dd05

468049157 has 4 divisors (see below), whose sum is σ = 475722156. Its totient is φ = 460376160.

The previous prime is 468049139. The next prime is 468049163. The reversal of 468049157 is 751940864.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 455651716 = 3521^2 + 21346^2 .

It is a cyclic number.

It is not a de Polignac number, because 468049157 - 26 = 468049093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468049657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3836408 + ... + 3836529.

It is an arithmetic number, because the mean of its divisors is an integer number (118930539).

Almost surely, 2468049157 is an apocalyptic number.

It is an amenable number.

468049157 is a deficient number, since it is larger than the sum of its proper divisors (7672999).

468049157 is an equidigital number, since it uses as much as digits as its factorization.

468049157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672998.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 468049157 is about 21634.4437645159. The cubic root of 468049157 is about 776.4207898910.

The spelling of 468049157 in words is "four hundred sixty-eight million, forty-nine thousand, one hundred fifty-seven".

Divisors: 1 61 7672937 468049157