Search a number
-
+
1082155449 = 31392595097
BaseRepresentation
bin100000010000000…
…0110000110111001
32210102021012012110
41000200012012321
54204012433244
6255214202533
735550112104
oct10040060671
92712235173
101082155449
11505937451
122624b3449
1314327368b
14a3a1573b
156500d9b9
hex408061b9

1082155449 has 8 divisors (see below), whose sum is σ = 1453254880. Its totient is φ = 716246496.

The previous prime is 1082155423. The next prime is 1082155523. The reversal of 1082155449 is 9445512801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1082155449 - 212 = 1082151353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082155649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297132 + ... + 1297965.

It is an arithmetic number, because the mean of its divisors is an integer number (181656860).

Almost surely, 21082155449 is an apocalyptic number.

It is an amenable number.

1082155449 is a deficient number, since it is larger than the sum of its proper divisors (371099431).

1082155449 is a wasteful number, since it uses less digits than its factorization.

1082155449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595239.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1082155449 is about 32896.1312162996. The cubic root of 1082155449 is about 1026.6676636837.

The spelling of 1082155449 in words is "one billion, eighty-two million, one hundred fifty-five thousand, four hundred forty-nine".

Divisors: 1 3 139 417 2595097 7785291 360718483 1082155449