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75418 = 275387
BaseRepresentation
bin10010011010011010
310211110021
4102122122
54403133
61341054
7432610
oct223232
9124407
1075418
1151732
123778a
1328435
141d6b0
151752d
hex1269a

75418 has 8 divisors (see below), whose sum is σ = 129312. Its totient is φ = 32316.

The previous prime is 75407. The next prime is 75431. The reversal of 75418 is 81457.

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

It is a plaindrome in base 12 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 75392 and 75401.

It is a congruent number.

It is an unprimeable number.

75418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (16164).

275418 is an apocalyptic number.

75418 is a deficient number, since it is larger than the sum of its proper divisors (53894).

75418 is a wasteful number, since it uses less digits than its factorization.

75418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

The product of its digits is 1120, while the sum is 25.

The square root of 75418 is about 274.6233784659. The cubic root of 75418 is about 42.2498336886.

The spelling of 75418 in words is "seventy-five thousand, four hundred eighteen".

Divisors: 1 2 7 14 5387 10774 37709 75418