Search a number
-
+
1082452640 = 2556765329
BaseRepresentation
bin100000010000100…
…1110101010100000
32210102211021212112
41000201032222200
54204101441030
6255224414452
735552460413
oct10041165240
92712737775
101082452640
1150601a765
12262617428
13143348a29
14a3a91b7a
156506ba95
hex4084eaa0

1082452640 has 24 divisors (see below), whose sum is σ = 2557294740. Its totient is φ = 432980992.

The previous prime is 1082452627. The next prime is 1082452663. The reversal of 1082452640 is 462542801.

It can be written as a sum of positive squares in 2 ways, for example, as 991746064 + 90706576 = 31492^2 + 9524^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1082452597 and 1082452606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3382505 + ... + 3382824.

Almost surely, 21082452640 is an apocalyptic number.

1082452640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082452640 is an abundant number, since it is smaller than the sum of its proper divisors (1474842100).

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

1082452640 is an equidigital number, since it uses as much as digits as its factorization.

1082452640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765344 (or 6765336 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1082452640 is about 32900.6480179342. The cubic root of 1082452640 is about 1026.7616392343.

The spelling of 1082452640 in words is "one billion, eighty-two million, four hundred fifty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 6765329 13530658 27061316 33826645 54122632 67653290 108245264 135306580 216490528 270613160 541226320 1082452640