Search a number
-
+
1447010140 = 225439116477
BaseRepresentation
bin101011000111111…
…1001111101011100
310201211210201202011
41112033321331130
510430413311030
6355330241004
750600245312
oct12617717534
93654721664
101447010140
11682888154
12344726164
131a0a2b024
14da26c0b2
158707db2a
hex563f9f5c

1447010140 has 24 divisors (see below), whose sum is σ = 3039597792. Its totient is φ = 578637120.

The previous prime is 1447010137. The next prime is 1447010143. The reversal of 1447010140 is 410107441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1447010137) and next prime (1447010143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447010143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79582 + ... + 96058.

It is an arithmetic number, because the mean of its divisors is an integer number (126649908).

Almost surely, 21447010140 is an apocalyptic number.

1447010140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1447010140 is an abundant number, since it is smaller than the sum of its proper divisors (1592587652).

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

1447010140 is a wasteful number, since it uses less digits than its factorization.

1447010140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20877 (or 20875 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1447010140 is about 38039.5864856599. The cubic root of 1447010140 is about 1131.0727119992.

Adding to 1447010140 its reverse (410107441), we get a palindrome (1857117581).

The spelling of 1447010140 in words is "one billion, four hundred forty-seven million, ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 4391 8782 16477 17564 21955 32954 43910 65908 82385 87820 164770 329540 72350507 144701014 289402028 361752535 723505070 1447010140