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7475 = 521323
BaseRepresentation
bin1110100110011
3101020212
41310303
5214400
654335
730536
oct16463
911225
107475
115686
1243ab
133530
142a1d
152335
hex1d33

7475 has 12 divisors (see below), whose sum is σ = 10416. Its totient is φ = 5280.

The previous prime is 7459. The next prime is 7477. The reversal of 7475 is 5747.

7475 divided by its sum of digits (23) gives a triangular number (325 = T25).

Subtracting from 7475 its reverse (5747), we obtain a cube (1728 = 123).

It is a happy number.

7475 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7475 - 24 = 7459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a plaindrome in base 9 and base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (868).

27475 is an apocalyptic number.

7475 is a deficient number, since it is larger than the sum of its proper divisors (2941).

7475 is a wasteful number, since it uses less digits than its factorization.

7475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46 (or 41 counting only the distinct ones).

The product of its digits is 980, while the sum is 23.

The square root of 7475 is about 86.4580823290. The cubic root of 7475 is about 19.5525647305.

The spelling of 7475 in words is "seven thousand, four hundred seventy-five".

Divisors: 1 5 13 23 25 65 115 299 325 575 1495 7475