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492250397 = 1074600471
BaseRepresentation
bin11101010101110…
…010010100011101
31021022020220121012
4131111302110131
52002004003042
6120502345005
715125026232
oct3525622435
91238226535
10492250397
11232954011
12118a2b165
137aca0932
1449539789
152d336e82
hex1d57251d

492250397 has 4 divisors (see below), whose sum is σ = 496850976. Its totient is φ = 487649820.

The previous prime is 492250391. The next prime is 492250417. The reversal of 492250397 is 793052294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793052294 = 2396526147.

It is a cyclic number.

It is not a de Polignac number, because 492250397 - 218 = 491988253 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 (492250391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300129 + ... + 2300342.

It is an arithmetic number, because the mean of its divisors is an integer number (124212744).

Almost surely, 2492250397 is an apocalyptic number.

It is an amenable number.

492250397 is a deficient number, since it is larger than the sum of its proper divisors (4600579).

492250397 is a wasteful number, since it uses less digits than its factorization.

492250397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600578.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 492250397 is about 22186.7166791303. The cubic root of 492250397 is about 789.5785804497.

The spelling of 492250397 in words is "four hundred ninety-two million, two hundred fifty thousand, three hundred ninety-seven".

Divisors: 1 107 4600471 492250397