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5132991 = 31710997
BaseRepresentation
bin10011100101001010111111
3100122210010210
4103211022333
52303223431
6302003503
761425663
oct23451277
910583123
105132991
112996546
121876593
1310a9496
149788a3
156b5d46
hex4e52bf

5132991 has 4 divisors (see below), whose sum is σ = 6843992. Its totient is φ = 3421992.

The previous prime is 5132989. The next prime is 5132993. The reversal of 5132991 is 1992315.

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

It is an interprime number because it is at equal distance from previous prime (5132989) and next prime (5132993).

It is not a de Polignac number, because 5132991 - 21 = 5132989 is a prime.

It is a D-number.

It is a Duffinian number.

5132991 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5132993) 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, 855496 + ... + 855501.

It is an arithmetic number, because the mean of its divisors is an integer number (1710998).

Almost surely, 25132991 is an apocalyptic number.

5132991 is a deficient number, since it is larger than the sum of its proper divisors (1711001).

5132991 is a wasteful number, since it uses less digits than its factorization.

5132991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711000.

The product of its digits is 2430, while the sum is 30.

The square root of 5132991 is about 2265.6105137468. The cubic root of 5132991 is about 172.5004242796.

The spelling of 5132991 in words is "five million, one hundred thirty-two thousand, nine hundred ninety-one".

Divisors: 1 3 1710997 5132991