Search a number
-
+
331214873 = 1122737313
BaseRepresentation
bin10011101111011…
…111000000011001
3212002020110101112
4103233133000121
51134242333443
652511030105
711131165013
oct2357370031
9762213345
10331214873
1115aa64700
1292b0b335
1353809a42
1431dbb1b3
151e127b18
hex13bdf019

331214873 has 6 divisors (see below), whose sum is σ = 364062762. Its totient is φ = 301104320.

The previous prime is 331214843. The next prime is 331214879. The reversal of 331214873 is 378412133.

It can be written as a sum of positive squares in only one way, i.e., 226111369 + 105103504 = 15037^2 + 10252^2 .

It is not a de Polignac number, because 331214873 - 210 = 331213849 is a prime.

It is a super-2 number, since 2×3312148732 = 219406584192812258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331214879) 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, 1368536 + ... + 1368777.

It is an arithmetic number, because the mean of its divisors is an integer number (60677127).

Almost surely, 2331214873 is an apocalyptic number.

It is an amenable number.

331214873 is a deficient number, since it is larger than the sum of its proper divisors (32847889).

331214873 is a wasteful number, since it uses less digits than its factorization.

331214873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2737335 (or 2737324 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 331214873 is about 18199.3096847106. The cubic root of 331214873 is about 691.8892932426.

The spelling of 331214873 in words is "three hundred thirty-one million, two hundred fourteen thousand, eight hundred seventy-three".

Divisors: 1 11 121 2737313 30110443 331214873