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4890540187 = 13376195399
BaseRepresentation
bin1001000110111111…
…11011100010011011
3110121211102011221001
410203133323202123
540003434241222
62125141125431
7232122622441
oct44337734233
913554364831
104890540187
11208a645255
12b459b9877
135cc285380
1434572ab91
151d9533e27
hex1237fb89b

4890540187 has 4 divisors (see below), whose sum is σ = 5266735600. Its totient is φ = 4514344776.

The previous prime is 4890540143. The next prime is 4890540203. The reversal of 4890540187 is 7810450984.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4890540187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4890544187) 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, 188097687 + ... + 188097712.

It is an arithmetic number, because the mean of its divisors is an integer number (1316683900).

Almost surely, 24890540187 is an apocalyptic number.

4890540187 is a deficient number, since it is larger than the sum of its proper divisors (376195413).

4890540187 is a wasteful number, since it uses less digits than its factorization.

4890540187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376195412.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 4890540187 is about 69932.3972633571. The cubic root of 4890540187 is about 1697.4055218857.

The spelling of 4890540187 in words is "four billion, eight hundred ninety million, five hundred forty thousand, one hundred eighty-seven".

Divisors: 1 13 376195399 4890540187