Search a number
-
+
872140355 = 5181963691
BaseRepresentation
bin110011111110111…
…100111001000011
32020210002022122122
4303332330321003
53241231442410
6222312554455
730420033152
oct6376747103
92223068578
10872140355
11408333a59
122040b2a2b
1310b8c09a8
1483b87599
1551876e55
hex33fbce43

872140355 has 8 divisors (see below), whose sum is σ = 1052351664. Its totient is φ = 693856800.

The previous prime is 872140351. The next prime is 872140361. The reversal of 872140355 is 553041278.

It is a happy number.

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

It is not a de Polignac number, because 872140355 - 22 = 872140351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872140351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480941 + ... + 482750.

It is an arithmetic number, because the mean of its divisors is an integer number (131543958).

Almost surely, 2872140355 is an apocalyptic number.

872140355 is a deficient number, since it is larger than the sum of its proper divisors (180211309).

872140355 is a wasteful number, since it uses less digits than its factorization.

872140355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963877.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 872140355 is about 29532.0225348688. The cubic root of 872140355 is about 955.4224915343.

The spelling of 872140355 in words is "eight hundred seventy-two million, one hundred forty thousand, three hundred fifty-five".

Divisors: 1 5 181 905 963691 4818455 174428071 872140355