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98623 = 773193
BaseRepresentation
bin11000000100111111
312000021201
4120010333
511123443
62040331
7560350
oct300477
9160251
1098623
1168108
12490a7
1335b75
1427d27
151e34d
hex1813f

98623 has 8 divisors (see below), whose sum is σ = 114848. Its totient is φ = 82944.

The previous prime is 98621. The next prime is 98627. The reversal of 98623 is 32689.

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

It is a 10-Lehmer number, since φ(98623) divides (98623-1)10.

It is a cyclic number.

It is not a de Polignac number, because 98623 - 21 = 98621 is a prime.

It is a super-2 number, since 2×986232 = 19452992258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98591 and 98600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98621) 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, 415 + ... + 607.

It is an arithmetic number, because the mean of its divisors is an integer number (14356).

298623 is an apocalyptic number.

98623 is a deficient number, since it is larger than the sum of its proper divisors (16225).

98623 is a wasteful number, since it uses less digits than its factorization.

98623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 2592, while the sum is 28.

The square root of 98623 is about 314.0429906876. The cubic root of 98623 is about 46.2018539638.

The spelling of 98623 in words is "ninety-eight thousand, six hundred twenty-three".

Divisors: 1 7 73 193 511 1351 14089 98623