Search a number
-
+
13950312 = 233581263
BaseRepresentation
bin110101001101…
…110101101000
3222020202020020
4311031311220
512032402222
61215000440
7226401315
oct65156550
928222206
1013950312
117969092
124809120
132b7592c
141bd1d0c
15135865c
hexd4dd68

13950312 has 16 divisors (see below), whose sum is σ = 34875840. Its totient is φ = 4650096.

The previous prime is 13950311. The next prime is 13950317. The reversal of 13950312 is 21305931.

It is a happy number.

It is a super-2 number, since 2×139503122 = 389222409794688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 581263 = 13950312 / (1 + 3 + 9 + 5 + 0 + 3 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (13950311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290608 + ... + 290655.

It is an arithmetic number, because the mean of its divisors is an integer number (2179740).

Almost surely, 213950312 is an apocalyptic number.

13950312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13950312 is an abundant number, since it is smaller than the sum of its proper divisors (20925528).

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

13950312 is a wasteful number, since it uses less digits than its factorization.

13950312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581272 (or 581268 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 13950312 is about 3735.0116465682. The cubic root of 13950312 is about 240.7287571202.

The spelling of 13950312 in words is "thirteen million, nine hundred fifty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 581263 1162526 1743789 2325052 3487578 4650104 6975156 13950312