Search a number
-
+
98251801 = 457214993
BaseRepresentation
bin1011101101100…
…11010000011001
320211212201010121
411312303100121
5200123024201
613425513241
72302061254
oct566632031
9224781117
1098251801
115050803a
1228aa2821
1317480b7b
14d09809b
15895b9a1
hex5db3419

98251801 has 4 divisors (see below), whose sum is σ = 98467252. Its totient is φ = 98036352.

The previous prime is 98251799. The next prime is 98251819. The reversal of 98251801 is 10815289.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10815289 = 29372941.

It can be written as a sum of positive squares in 2 ways, for example, as 35462025 + 62789776 = 5955^2 + 7924^2 .

It is a cyclic number.

It is not a de Polignac number, because 98251801 - 21 = 98251799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98251201) 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, 107040 + ... + 107953.

It is an arithmetic number, because the mean of its divisors is an integer number (24616813).

Almost surely, 298251801 is an apocalyptic number.

It is an amenable number.

98251801 is a deficient number, since it is larger than the sum of its proper divisors (215451).

98251801 is a wasteful number, since it uses less digits than its factorization.

98251801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215450.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 98251801 is about 9912.2046488155. The cubic root of 98251801 is about 461.4381596833.

The spelling of 98251801 in words is "ninety-eight million, two hundred fifty-one thousand, eight hundred one".

Divisors: 1 457 214993 98251801