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5440691 = 6618231
BaseRepresentation
bin10100110000010010110011
3101020102020002
4110300102303
52343100231
6312340215
764150034
oct24602263
911212202
105440691
113086743
1219a466b
131186559
14a18a8b
157270cb
hex5304b3

5440691 has 4 divisors (see below), whose sum is σ = 5449584. Its totient is φ = 5431800.

The previous prime is 5440657. The next prime is 5440703. The reversal of 5440691 is 1960445.

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

It is a cyclic number.

It is not a de Polignac number, because 5440691 - 210 = 5439667 is a prime.

It is a super-2 number, since 2×54406912 = 59202237114962, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5440621) 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, 3455 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (1362396).

Almost surely, 25440691 is an apocalyptic number.

5440691 is a deficient number, since it is larger than the sum of its proper divisors (8893).

5440691 is an equidigital number, since it uses as much as digits as its factorization.

5440691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5440691 is about 2332.5288851373. The cubic root of 5440691 is about 175.8806331625.

The spelling of 5440691 in words is "five million, four hundred forty thousand, six hundred ninety-one".

Divisors: 1 661 8231 5440691