Search a number
-
+
31002466 = 2111409203
BaseRepresentation
bin111011001000…
…0111101100010
32011100002101111
41312100331202
530414034331
63024253534
7524342125
oct166207542
964302344
1031002466
1116555680
12a4712aa
136566371
1441903bc
152ac5db1
hex1d90f62

31002466 has 8 divisors (see below), whose sum is σ = 50731344. Its totient is φ = 14092020.

The previous prime is 31002427. The next prime is 31002467. The reversal of 31002466 is 66420013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×310024662 = 1922305796162312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1409203 = 31002466 / (3 + 1 + 0 + 0 + 2 + 4 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (31002467) 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, 704580 + ... + 704623.

It is an arithmetic number, because the mean of its divisors is an integer number (6341418).

Almost surely, 231002466 is an apocalyptic number.

31002466 is a deficient number, since it is larger than the sum of its proper divisors (19728878).

31002466 is a wasteful number, since it uses less digits than its factorization.

31002466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409216.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 31002466 is about 5567.9858117635. The cubic root of 31002466 is about 314.1463947437.

Adding to 31002466 its reverse (66420013), we get a palindrome (97422479).

The spelling of 31002466 in words is "thirty-one million, two thousand, four hundred sixty-six".

Divisors: 1 2 11 22 1409203 2818406 15501233 31002466