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492938197 = 4313187509
BaseRepresentation
bin11101011000011…
…010001111010101
31021100112212002021
4131120122033111
52002143010242
6120525213141
715133622413
oct3530321725
91240485067
10492938197
11233283844
121191011b1
137b181a0b
14496782b3
152d420b67
hex1d61a3d5

492938197 has 8 divisors (see below), whose sum is σ = 508258080. Its totient is φ = 477793680.

The previous prime is 492938191. The next prime is 492938207. The reversal of 492938197 is 791839294.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2k-492938197 is a prime.

It is a super-2 number, since 2×4929381972 = 485976132123221618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492938191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38122 + ... + 49387.

It is an arithmetic number, because the mean of its divisors is an integer number (63532260).

Almost surely, 2492938197 is an apocalyptic number.

It is an amenable number.

492938197 is a deficient number, since it is larger than the sum of its proper divisors (15319883).

492938197 is a wasteful number, since it uses less digits than its factorization.

492938197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87683.

The product of its digits is 979776, while the sum is 52.

The square root of 492938197 is about 22202.2115339891. The cubic root of 492938197 is about 789.9461572021.

The spelling of 492938197 in words is "four hundred ninety-two million, nine hundred thirty-eight thousand, one hundred ninety-seven".

Divisors: 1 43 131 5633 87509 3762887 11463679 492938197