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98551 = 139709
BaseRepresentation
bin11000000011110111
312000012001
4120003313
511123201
62040131
7560215
oct300367
9160161
1098551
1168052
1249047
1335b1b
1427cb5
151e301
hex180f7

98551 has 4 divisors (see below), whose sum is σ = 99400. Its totient is φ = 97704.

The previous prime is 98543. The next prime is 98561. The reversal of 98551 is 15589.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 98551 - 23 = 98543 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216 + ... + 493.

It is an arithmetic number, because the mean of its divisors is an integer number (24850).

298551 is an apocalyptic number.

98551 is a deficient number, since it is larger than the sum of its proper divisors (849).

98551 is a wasteful number, since it uses less digits than its factorization.

98551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848.

The product of its digits is 1800, while the sum is 28.

The square root of 98551 is about 313.9283357711. The cubic root of 98551 is about 46.1906079619.

The spelling of 98551 in words is "ninety-eight thousand, five hundred fifty-one".

Divisors: 1 139 709 98551