Search a number
-
+
98570449 = 296155721
BaseRepresentation
bin1011110000000…
…01000011010001
320212110220020101
411320001003101
5200213223244
613440412401
72304556255
oct570010321
9225426211
1098570449
115070548a
1229017101
1317562c13
14d13c265
1589c10d4
hex5e010d1

98570449 has 8 divisors (see below), whose sum is σ = 103642920. Its totient is φ = 93609600.

The previous prime is 98570447. The next prime is 98570453. The reversal of 98570449 is 94407589.

It can be written as a sum of positive squares in 4 ways, for example, as 20566225 + 78004224 = 4535^2 + 8832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98570449 - 21 = 98570447 is a prime.

It is a super-2 number, since 2×985704492 = 19432266832123202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98570399 and 98570408.

It is not an unprimeable number, because it can be changed into a prime (98570441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26092 + ... + 29629.

It is an arithmetic number, because the mean of its divisors is an integer number (12955365).

Almost surely, 298570449 is an apocalyptic number.

It is an amenable number.

98570449 is a deficient number, since it is larger than the sum of its proper divisors (5072471).

98570449 is a wasteful number, since it uses less digits than its factorization.

98570449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55811.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 98570449 is about 9928.2651556050. The cubic root of 98570449 is about 461.9364632801.

The spelling of 98570449 in words is "ninety-eight million, five hundred seventy thousand, four hundred forty-nine".

Divisors: 1 29 61 1769 55721 1615909 3398981 98570449