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BaseRepresentation
bin1011110010101…
…11110110001001
320220010221220111
411321113312021
5200311112321
613452154321
72310566611
oct571276611
9226127814
1098925961
11509285a2
12291689a1
1317658994
14d1d1a41
158a415e1
hex5e57d89

98925961 has 4 divisors (see below), whose sum is σ = 99478800. Its totient is φ = 98373124.

The previous prime is 98925899. The next prime is 98925971. The reversal of 98925961 is 16952989.

It is the 4061-st star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16952989 = 160110589.

It is a cyclic number.

It is not a de Polignac number, because 98925961 - 223 = 90537353 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98925971) 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, 276151 + ... + 276508.

It is an arithmetic number, because the mean of its divisors is an integer number (24869700).

Almost surely, 298925961 is an apocalyptic number.

It is an amenable number.

98925961 is a deficient number, since it is larger than the sum of its proper divisors (552839).

98925961 is a wasteful number, since it uses less digits than its factorization.

98925961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552838.

The product of its digits is 349920, while the sum is 49.

The square root of 98925961 is about 9946.1530754357. The cubic root of 98925961 is about 462.4911491854.

The spelling of 98925961 in words is "ninety-eight million, nine hundred twenty-five thousand, nine hundred sixty-one".

Divisors: 1 179 552659 98925961