Search a number
-
+
1142412020 = 225318717923
BaseRepresentation
bin100010000010111…
…1101001011110100
32221121122112200022
41010011331023310
54314424141040
6305205504312
740211225201
oct10405751364
92847575608
101142412020
11536953072
1227a712098
131528b0359
14aba1cca8
156a4626b5
hex4417d2f4

1142412020 has 24 divisors (see below), whose sum is σ = 2399951904. Its totient is φ = 456795936.

The previous prime is 1142411983. The next prime is 1142412043. The reversal of 1142412020 is 202142411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142412020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54779 + ... + 72701.

It is an arithmetic number, because the mean of its divisors is an integer number (99997996).

Almost surely, 21142412020 is an apocalyptic number.

1142412020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142412020 is an abundant number, since it is smaller than the sum of its proper divisors (1257539884).

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

1142412020 is a wasteful number, since it uses less digits than its factorization.

1142412020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21119 (or 21117 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1142412020 is about 33799.5860921402. The cubic root of 1142412020 is about 1045.3801628055.

Adding to 1142412020 its reverse (202142411), we get a palindrome (1344554431).

The spelling of 1142412020 in words is "one billion, one hundred forty-two million, four hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 3187 6374 12748 15935 17923 31870 35846 63740 71692 89615 179230 358460 57120601 114241202 228482404 285603005 571206010 1142412020