Search a number
-
+
1255442060 = 22588770769
BaseRepresentation
bin100101011010100…
…1000011010001100
310020111100001202002
41022311020122030
510032343121220
6324324251432
743053036635
oct11265103214
93214301662
101255442060
11594734224
122b0540b78
13170136932
14bca4288c
157533cc75
hex4ad4868c

1255442060 has 24 divisors (see below), whose sum is σ = 2639437920. Its totient is φ = 501603584.

The previous prime is 1255442003. The next prime is 1255442063. The reversal of 1255442060 is 602445521.

It is a super-2 number, since 2×12554420602 = 3152269532034087200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255442063) 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 7 ways as a sum of consecutive naturals, for example, 17645 + ... + 53124.

It is an arithmetic number, because the mean of its divisors is an integer number (109976580).

Almost surely, 21255442060 is an apocalyptic number.

1255442060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1255442060 is an abundant number, since it is smaller than the sum of its proper divisors (1383995860).

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

1255442060 is a wasteful number, since it uses less digits than its factorization.

1255442060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71665 (or 71663 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1255442060 is about 35432.2178250247. The cubic root of 1255442060 is about 1078.7783568840.

Adding to 1255442060 its reverse (602445521), we get a palindrome (1857887581).

The spelling of 1255442060 in words is "one billion, two hundred fifty-five million, four hundred forty-two thousand, sixty".

Divisors: 1 2 4 5 10 20 887 1774 3548 4435 8870 17740 70769 141538 283076 353845 707690 1415380 62772103 125544206 251088412 313860515 627721030 1255442060