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89948 = 22113199
BaseRepresentation
bin10101111101011100
311120101102
4111331130
510334243
61532232
7523145
oct257534
9146342
1089948
1161641
1244078
1331c31
1424acc
151b9b8
hex15f5c

89948 has 12 divisors (see below), whose sum is σ = 159600. Its totient is φ = 44352.

The previous prime is 89939. The next prime is 89959. The reversal of 89948 is 84998.

It is a plaindrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 89948.

It is an unprimeable number.

89948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (13300).

289948 is an apocalyptic number.

It is an amenable number.

89948 is a deficient number, since it is larger than the sum of its proper divisors (69652).

89948 is a wasteful number, since it uses less digits than its factorization.

89948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 89948 is about 299.9133208112. The cubic root of 89948 is about 44.8054149492.

Subtracting from 89948 its reverse (84998), we obtain a triangular number (4950 = T99).

The spelling of 89948 in words is "eighty-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 113 199 226 398 452 796 22487 44974 89948