Search a number
-
+
1450129040 = 24518126613
BaseRepresentation
bin101011001101111…
…0011011010010000
310202001200012001222
41112123303122100
510432213112130
6355521144212
750635615313
oct12633633220
93661605058
101450129040
11684618458
1234578b068
131a1580829
14da84097a
1587497ce5
hex566f3690

1450129040 has 20 divisors (see below), whose sum is σ = 3371550204. Its totient is φ = 580051584.

The previous prime is 1450128983. The next prime is 1450129061. The reversal of 1450129040 is 409210541.

It can be written as a sum of positive squares in 2 ways, for example, as 227647744 + 1222481296 = 15088^2 + 34964^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9063227 + ... + 9063386.

Almost surely, 21450129040 is an apocalyptic number.

1450129040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1450129040 is an abundant number, since it is smaller than the sum of its proper divisors (1921421164).

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

1450129040 is a wasteful number, since it uses less digits than its factorization.

1450129040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18126626 (or 18126620 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1450129040 is about 38080.5598698338. The cubic root of 1450129040 is about 1131.8847706172.

Adding to 1450129040 its reverse (409210541), we get a palindrome (1859339581).

The spelling of 1450129040 in words is "one billion, four hundred fifty million, one hundred twenty-nine thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 18126613 36253226 72506452 90633065 145012904 181266130 290025808 362532260 725064520 1450129040