Search a number
-
+
98387641 = 112813121
BaseRepresentation
bin1011101110101…
…00011010111001
320212010121110201
411313110122321
5200141401031
613432442201
72303165302
oct567243271
9225117421
1098387641
11505a0100
1228b49361
13174ca951
14d0d17a9
158986d61
hex5dd46b9

98387641 has 6 divisors (see below), whose sum is σ = 108145226. Its totient is φ = 89443200.

The previous prime is 98387623. The next prime is 98387647. The reversal of 98387641 is 14678389.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 82355625 + 16032016 = 9075^2 + 4004^2 .

It is not a de Polignac number, because 98387641 - 29 = 98387129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98387591 and 98387600.

It is not an unprimeable number, because it can be changed into a prime (98387647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406440 + ... + 406681.

Almost surely, 298387641 is an apocalyptic number.

It is an amenable number.

98387641 is a deficient number, since it is larger than the sum of its proper divisors (9757585).

98387641 is a wasteful number, since it uses less digits than its factorization.

98387641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813143 (or 813132 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 98387641 is about 9919.0544408225. The cubic root of 98387641 is about 461.6507186180.

The spelling of 98387641 in words is "ninety-eight million, three hundred eighty-seven thousand, six hundred forty-one".

Divisors: 1 11 121 813121 8944331 98387641