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5431145 = 57115299
BaseRepresentation
bin10100101101111101101001
3101012221010112
4110231331221
52342244040
6312224105
764110146
oct24557551
911187115
105431145
11307a555
12199b035
1311820c5
14a153cd
15724365
hex52df69

5431145 has 8 divisors (see below), whose sum is σ = 6609600. Its totient is φ = 4283440.

The previous prime is 5431141. The next prime is 5431159. The reversal of 5431145 is 5411345.

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

It is not a de Polignac number, because 5431145 - 22 = 5431141 is a prime.

It is a super-2 number, since 2×54311452 = 58994672022050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5431145.

It is not an unprimeable number, because it can be changed into a prime (5431141) 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, 7295 + ... + 8004.

It is an arithmetic number, because the mean of its divisors is an integer number (826200).

Almost surely, 25431145 is an apocalyptic number.

It is an amenable number.

5431145 is a deficient number, since it is larger than the sum of its proper divisors (1178455).

5431145 is a wasteful number, since it uses less digits than its factorization.

5431145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15375.

The product of its digits is 1200, while the sum is 23.

The square root of 5431145 is about 2330.4817098617. The cubic root of 5431145 is about 175.7777087715. Note that the first 4 decimals are identical.

Adding to 5431145 its product of digits (1200), we get a palindrome (5432345).

The spelling of 5431145 in words is "five million, four hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 5 71 355 15299 76495 1086229 5431145