Search a number
-
+
8012481 = 3107109229
BaseRepresentation
bin11110100100001011000001
3120002002001120
4132210023001
54022344411
6443422453
7125051001
oct36441301
916062046
108012481
114582994
122824a29
131877019
1410c8001
15a84106
hex7a42c1

8012481 has 16 divisors (see below), whose sum is σ = 10929600. Its totient is φ = 5220288.

The previous prime is 8012479. The next prime is 8012483. The reversal of 8012481 is 1842108.

It is an interprime number because it is at equal distance from previous prime (8012479) and next prime (8012483).

It is not a de Polignac number, because 8012481 - 21 = 8012479 is a prime.

It is a super-2 number, since 2×80124812 = 128399703550722, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8012483) 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, 34875 + ... + 35103.

It is an arithmetic number, because the mean of its divisors is an integer number (683100).

Almost surely, 28012481 is an apocalyptic number.

It is an amenable number.

8012481 is a deficient number, since it is larger than the sum of its proper divisors (2917119).

8012481 is a wasteful number, since it uses less digits than its factorization.

8012481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 8012481 is about 2830.6326148054. The cubic root of 8012481 is about 200.1039542915.

Adding to 8012481 its reverse (1842108), we get a palindrome (9854589).

It can be divided in two parts, 80 and 12481, that added together give a triangular number (12561 = T158).

The spelling of 8012481 in words is "eight million, twelve thousand, four hundred eighty-one".

Divisors: 1 3 107 109 229 321 327 687 11663 24503 24961 34989 73509 74883 2670827 8012481