Search a number
-
+
31204098 = 2323746853
BaseRepresentation
bin111011100001…
…0001100000010
32011201022222100
41313002030002
530442012343
63032451230
7526142022
oct167021402
964638870
1031204098
1116683112
12a549b16
136607083
144203a82
152b159d3
hex1dc2302

31204098 has 24 divisors (see below), whose sum is σ = 69437628. Its totient is φ = 10120032.

The previous prime is 31204093. The next prime is 31204109. The reversal of 31204098 is 89040213.

It can be written as a sum of positive squares in 2 ways, for example, as 30503529 + 700569 = 5523^2 + 837^2 .

It is not an unprimeable number, because it can be changed into a prime (31204091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22761 + ... + 24092.

Almost surely, 231204098 is an apocalyptic number.

31204098 is an abundant number, since it is smaller than the sum of its proper divisors (38233530).

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

31204098 is a wasteful number, since it uses less digits than its factorization.

31204098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46898 (or 46895 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 31204098 is about 5586.0628353072. The cubic root of 31204098 is about 314.8259658460.

The spelling of 31204098 in words is "thirty-one million, two hundred four thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 46853 93706 140559 281118 421677 843354 1733561 3467122 5200683 10401366 15602049 31204098