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490740837 = 3523312773
BaseRepresentation
bin11101010000000…
…001110001100101
31021012102012212120
4131100001301211
52001112201322
6120410140153
715106141206
oct3520016145
91235365776
10490740837
11232012944
12118421659
137a8927c2
14492655ad
152d139a5c
hex1d401c65

490740837 has 8 divisors (see below), whose sum is σ = 655574304. Its totient is φ = 326533968.

The previous prime is 490740823. The next prime is 490740863. The reversal of 490740837 is 738047094.

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

It is not a de Polignac number, because 490740837 - 26 = 490740773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490740637) 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, 154818 + ... + 157955.

It is an arithmetic number, because the mean of its divisors is an integer number (81946788).

Almost surely, 2490740837 is an apocalyptic number.

It is an amenable number.

490740837 is a deficient number, since it is larger than the sum of its proper divisors (164833467).

490740837 is a wasteful number, since it uses less digits than its factorization.

490740837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313299.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 490740837 is about 22152.6711030521. The cubic root of 490740837 is about 788.7706334333.

The spelling of 490740837 in words is "four hundred ninety million, seven hundred forty thousand, eight hundred thirty-seven".

Divisors: 1 3 523 1569 312773 938319 163580279 490740837