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98252491 = 109901399
BaseRepresentation
bin1011101101100…
…11011011001011
320211212202002011
411312303123023
5200123034431
613425520351
72302063261
oct566633313
9224782064
1098252491
1150508607
1228aa30b7
131748128c
14d098431
15895bcb1
hex5db36cb

98252491 has 4 divisors (see below), whose sum is σ = 99154000. Its totient is φ = 97350984.

The previous prime is 98252471. The next prime is 98252507. The reversal of 98252491 is 19425289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19425289 = 131494253.

It is a cyclic number.

It is not a de Polignac number, because 98252491 - 25 = 98252459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98252431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450591 + ... + 450808.

It is an arithmetic number, because the mean of its divisors is an integer number (24788500).

Almost surely, 298252491 is an apocalyptic number.

98252491 is a deficient number, since it is larger than the sum of its proper divisors (901509).

98252491 is a wasteful number, since it uses less digits than its factorization.

98252491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901508.

The product of its digits is 51840, while the sum is 40.

The square root of 98252491 is about 9912.2394543312. The cubic root of 98252491 is about 461.4392398724.

The spelling of 98252491 in words is "ninety-eight million, two hundred fifty-two thousand, four hundred ninety-one".

Divisors: 1 109 901399 98252491