Search a number
-
+
19102098 = 2323149929
BaseRepresentation
bin100100011011…
…1100110010010
31022221111011010
41020313212102
514342231343
61521231350
7321236151
oct110674622
938844133
1019102098
11a867764
126492556
133c5a822
142773598
151a24d33
hex1237992

19102098 has 32 divisors (see below), whose sum is σ = 40176000. Its totient is φ = 6043136.

The previous prime is 19102093. The next prime is 19102123. The reversal of 19102098 is 89020191.

It is not an unprimeable number, because it can be changed into a prime (19102091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20098 + ... + 21026.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 219102098 is an apocalyptic number.

19102098 is an abundant number, since it is smaller than the sum of its proper divisors (21073902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19102098 is a wasteful number, since it uses less digits than its factorization.

19102098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 19102098 is about 4370.5946963771. The cubic root of 19102098 is about 267.3172735270.

The spelling of 19102098 in words is "nineteen million, one hundred two thousand, ninety-eight".

Divisors: 1 2 3 6 23 46 69 138 149 298 447 894 929 1858 2787 3427 5574 6854 10281 20562 21367 42734 64101 128202 138421 276842 415263 830526 3183683 6367366 9551049 19102098