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75245 = 5101149
BaseRepresentation
bin10010010111101101
310211012212
4102113231
54401440
61340205
7432242
oct222755
9124185
1075245
1151595
1237665
1328331
141d5c9
1517465
hex125ed

75245 has 8 divisors (see below), whose sum is σ = 91800. Its totient is φ = 59200.

The previous prime is 75239. The next prime is 75253. The reversal of 75245 is 54257.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 64009 = 106^2 + 253^2 .

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

It is not a de Polignac number, because 75245 - 26 = 75181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (11475).

275245 is an apocalyptic number.

It is an amenable number.

75245 is a deficient number, since it is larger than the sum of its proper divisors (16555).

75245 is a wasteful number, since it uses less digits than its factorization.

75245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255.

The product of its digits is 1400, while the sum is 23.

The square root of 75245 is about 274.3082208028. The cubic root of 75245 is about 42.2175035765.

It can be divided in two parts, 752 and 45, that added together give a palindrome (797).

The spelling of 75245 in words is "seventy-five thousand, two hundred forty-five".

Divisors: 1 5 101 149 505 745 15049 75245