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75023 = 1329199
BaseRepresentation
bin10010010100001111
310210220122
4102110033
54400043
61335155
7431504
oct222417
9123818
1075023
1151403
12374bb
13281c0
141d4ab
1517368
hex1250f

75023 has 8 divisors (see below), whose sum is σ = 84000. Its totient is φ = 66528.

The previous prime is 75017. The next prime is 75029. The reversal of 75023 is 32057.

It is an interprime number because it is at equal distance from previous prime (75017) and next prime (75029).

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

It is a cyclic number.

It is not a de Polignac number, because 75023 - 26 = 74959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74992 and 75010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75029) 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, 278 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (10500).

275023 is an apocalyptic number.

75023 is a deficient number, since it is larger than the sum of its proper divisors (8977).

75023 is a wasteful number, since it uses less digits than its factorization.

75023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 75023 is about 273.9032675964. The cubic root of 75023 is about 42.1759437026.

The spelling of 75023 in words is "seventy-five thousand, twenty-three".

Divisors: 1 13 29 199 377 2587 5771 75023