Search a number
-
+
2628401460 = 223543806691
BaseRepresentation
bin1001110010101010…
…0011100100110100
320210011210121222020
42130222203210310
520340332321320
61112451433140
7122064021006
oct23452434464
96704717866
102628401460
111129733a13
126142b57b0
1332b708449
141ad116376
15105b40940
hex9caa3934

2628401460 has 24 divisors (see below), whose sum is σ = 7359524256. Its totient is φ = 700907040.

The previous prime is 2628401441. The next prime is 2628401471. The reversal of 2628401460 is 641048262.

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, 21903286 + ... + 21903405.

It is an arithmetic number, because the mean of its divisors is an integer number (306646844).

Almost surely, 22628401460 is an apocalyptic number.

2628401460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2628401460 is an abundant number, since it is smaller than the sum of its proper divisors (4731122796).

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

2628401460 is a wasteful number, since it uses less digits than its factorization.

2628401460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43806703 (or 43806701 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 2628401460 is about 51267.9379339563. The cubic root of 2628401460 is about 1380.0576640471.

The spelling of 2628401460 in words is "two billion, six hundred twenty-eight million, four hundred one thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 43806691 87613382 131420073 175226764 219033455 262840146 438066910 525680292 657100365 876133820 1314200730 2628401460