Search a number
-
+
1408266828 = 223247832309
BaseRepresentation
bin101001111110000…
…0111001001001100
310122010220100220200
41103330013021030
510341004014303
6351424013500
746620033123
oct12374071114
93563810820
101408266828
11662a25791
12333761290
131959b44a7
14d5064aba
15839793a3
hex53f0724c

1408266828 has 36 divisors (see below), whose sum is σ = 3635530080. Its totient is φ = 459434016.

The previous prime is 1408266803. The next prime is 1408266857. The reversal of 1408266828 is 8286628041.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414463 + ... + 417846.

Almost surely, 21408266828 is an apocalyptic number.

1408266828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1408266828 is an abundant number, since it is smaller than the sum of its proper divisors (2227263252).

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

1408266828 is a wasteful number, since it uses less digits than its factorization.

1408266828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832366 (or 832361 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1408266828 is about 37526.8814052007. The cubic root of 1408266828 is about 1120.8865291680.

The spelling of 1408266828 in words is "one billion, four hundred eight million, two hundred sixty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 47 94 141 188 282 423 564 846 1692 832309 1664618 2496927 3329236 4993854 7490781 9987708 14981562 29963124 39118523 78237046 117355569 156474092 234711138 352066707 469422276 704133414 1408266828