Search a number
-
+
801880916 = 22200470229
BaseRepresentation
bin101111110010111…
…011101101010100
32001212212202211012
4233302323231110
53120240142131
6211323031352
725604606144
oct5762735524
92055782735
10801880916
11381706001
121a466b558
13ca191065
14786d8924
154a5e952b
hex2fcbbb54

801880916 has 6 divisors (see below), whose sum is σ = 1403291610. Its totient is φ = 400940456.

The previous prime is 801880907. The next prime is 801880949. The reversal of 801880916 is 619088108.

It can be written as a sum of positive squares in only one way, i.e., 569013316 + 232867600 = 23854^2 + 15260^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 100235111 + ... + 100235118.

It is an arithmetic number, because the mean of its divisors is an integer number (233881935).

Almost surely, 2801880916 is an apocalyptic number.

It is an amenable number.

801880916 is a deficient number, since it is larger than the sum of its proper divisors (601410694).

801880916 is a wasteful number, since it uses less digits than its factorization.

801880916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200470233 (or 200470231 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 801880916 is about 28317.5019378476. The cubic root of 801880916 is about 929.0447338434.

The spelling of 801880916 in words is "eight hundred one million, eight hundred eighty thousand, nine hundred sixteen".

Divisors: 1 2 4 200470229 400940458 801880916