Search a number
-
+
1494824868 = 22344613657
BaseRepresentation
bin101100100011001…
…0011011110100100
310212011202222020000
41121012103132210
511030133343433
6404155141300
752020541665
oct13106233644
93764688200
101494824868
116a7876059
12358744830
131aa8cc874
1410275736c
158b376113
hex591937a4

1494824868 has 30 divisors (see below), whose sum is σ = 3907768326. Its totient is φ = 498274848.

The previous prime is 1494824861. The next prime is 1494824893. The reversal of 1494824868 is 8684284941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1119705444 + 375119424 = 33462^2 + 19368^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494824861) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2306505 + ... + 2307152.

Almost surely, 21494824868 is an apocalyptic number.

1494824868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1494824868 is an abundant number, since it is smaller than the sum of its proper divisors (2412943458).

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

1494824868 is a wasteful number, since it uses less digits than its factorization.

1494824868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613673 (or 4613662 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The square root of 1494824868 is about 38662.9650699478. The cubic root of 1494824868 is about 1143.3962707258.

The spelling of 1494824868 in words is "one billion, four hundred ninety-four million, eight hundred twenty-four thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 4613657 9227314 13840971 18454628 27681942 41522913 55363884 83045826 124568739 166091652 249137478 373706217 498274956 747412434 1494824868