Search a number
-
+
98129039 = 487201497
BaseRepresentation
bin1011101100101…
…01010010001111
320211122110201212
411312111102033
5200110112124
613423125035
72301040331
oct566252217
9224573655
1098129039
1150433888
1228a4377b
131743a028
14d065451
15893540e
hex5d9548f

98129039 has 4 divisors (see below), whose sum is σ = 98331024. Its totient is φ = 97927056.

The previous prime is 98128999. The next prime is 98129041. The reversal of 98129039 is 93092189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93092189 = 94198929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-98129039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98128987 and 98129005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98129099) 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, 100262 + ... + 101235.

It is an arithmetic number, because the mean of its divisors is an integer number (24582756).

Almost surely, 298129039 is an apocalyptic number.

98129039 is a deficient number, since it is larger than the sum of its proper divisors (201985).

98129039 is a wasteful number, since it uses less digits than its factorization.

98129039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201984.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 98129039 is about 9906.0102463101. The cubic root of 98129039 is about 461.2458962676.

The spelling of 98129039 in words is "ninety-eight million, one hundred twenty-nine thousand, thirty-nine".

Divisors: 1 487 201497 98129039