Search a number
-
+
98013977 = 241406697
BaseRepresentation
bin1011101011110…
…01001100011001
320211102121220022
411311321030121
5200042421402
613420440225
72300051015
oct565711431
9224377808
1098013977
1150365396
12289a9075
13173c9849
14d035545
1589112a2
hex5d79319

98013977 has 4 divisors (see below), whose sum is σ = 98420916. Its totient is φ = 97607040.

The previous prime is 98013973. The next prime is 98013983. The reversal of 98013977 is 77931089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55190041 + 42823936 = 7429^2 + 6544^2 .

It is a cyclic number.

It is not a de Polignac number, because 98013977 - 22 = 98013973 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98013973) 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, 203108 + ... + 203589.

It is an arithmetic number, because the mean of its divisors is an integer number (24605229).

Almost surely, 298013977 is an apocalyptic number.

It is an amenable number.

98013977 is a deficient number, since it is larger than the sum of its proper divisors (406939).

98013977 is a wasteful number, since it uses less digits than its factorization.

98013977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406938.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 98013977 is about 9900.2008565483. The cubic root of 98013977 is about 461.0655465544.

The spelling of 98013977 in words is "ninety-eight million, thirteen thousand, nine hundred seventy-seven".

Divisors: 1 241 406697 98013977