Search a number
-
+
797109554 = 210717920809
BaseRepresentation
bin101111100000101…
…110110100110010
32001112220100202002
4233200232310302
53113030001204
6211032454002
725516214363
oct5740566462
92045810662
10797109554
11379a4722a
121a2b4a302
13c91b0377
1477c15b6a
1549ea591e
hex2f82ed32

797109554 has 16 divisors (see below), whose sum is σ = 1213639200. Its totient is φ = 392605344.

The previous prime is 797109517. The next prime is 797109581. The reversal of 797109554 is 455901797.

It is a junction number, because it is equal to n+sod(n) for n = 797109499 and 797109508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27902 + ... + 48710.

It is an arithmetic number, because the mean of its divisors is an integer number (75852450).

Almost surely, 2797109554 is an apocalyptic number.

797109554 is a deficient number, since it is larger than the sum of its proper divisors (416529646).

797109554 is a wasteful number, since it uses less digits than its factorization.

797109554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21097.

The product of its (nonzero) digits is 396900, while the sum is 47.

The square root of 797109554 is about 28233.1286612023. The cubic root of 797109554 is about 927.1983956978.

The spelling of 797109554 in words is "seven hundred ninety-seven million, one hundred nine thousand, five hundred fifty-four".

Divisors: 1 2 107 179 214 358 19153 20809 38306 41618 2226563 3724811 4453126 7449622 398554777 797109554