Search a number
-
+
20301098 = 210150549
BaseRepresentation
bin100110101110…
…0010100101010
31102012101212112
41031130110222
520144113343
62003042322
7334361606
oct115342452
942171775
1020301098
1110506574
1269703a2
13428a4ac
1429a6506
151bb0218
hex135c52a

20301098 has 4 divisors (see below), whose sum is σ = 30451650. Its totient is φ = 10150548.

The previous prime is 20301097. The next prime is 20301103. The reversal of 20301098 is 89010302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89010302 = 244505151.

It can be written as a sum of positive squares in only one way, i.e., 18207289 + 2093809 = 4267^2 + 1447^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20301097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5075273 + ... + 5075276.

Almost surely, 220301098 is an apocalyptic number.

20301098 is a deficient number, since it is larger than the sum of its proper divisors (10150552).

20301098 is a wasteful number, since it uses less digits than its factorization.

20301098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150551.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 20301098 is about 4505.6739784410. The cubic root of 20301098 is about 272.7971586492.

The spelling of 20301098 in words is "twenty million, three hundred one thousand, ninety-eight".

Divisors: 1 2 10150549 20301098