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495807157 = 4319359743
BaseRepresentation
bin11101100011010…
…110101010110101
31021112221121120001
4131203112222311
52003411312112
6121110511301
715200201626
oct3543265265
91245847501
10495807157
1123496328a
1211a065531
137b947821
1449bc3a4d
152d7dac57
hex1d8d6ab5

495807157 has 8 divisors (see below), whose sum is σ = 509974784. Its totient is φ = 481759488.

The previous prime is 495807127. The next prime is 495807161. The reversal of 495807157 is 751708594.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495807157 - 27 = 495807029 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 (495807127) 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 7 ways as a sum of consecutive naturals, for example, 21573 + ... + 38170.

It is an arithmetic number, because the mean of its divisors is an integer number (63746848).

Almost surely, 2495807157 is an apocalyptic number.

It is an amenable number.

495807157 is a deficient number, since it is larger than the sum of its proper divisors (14167627).

495807157 is a wasteful number, since it uses less digits than its factorization.

495807157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59979.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 495807157 is about 22266.7275772620. The cubic root of 495807157 is about 791.4757210450.

The spelling of 495807157 in words is "four hundred ninety-five million, eight hundred seven thousand, one hundred fifty-seven".

Divisors: 1 43 193 8299 59743 2568949 11530399 495807157