Search a number
-
+
709273980 = 223253940411
BaseRepresentation
bin101010010001101…
…010100101111100
31211102121211222200
4222101222211330
52423033231410
6154214111500
723401505112
oct5221524574
91742554880
10709273980
11334404048
1217964b590
13b3c3865c
146a2adab2
15424053c0
hex2a46a97c

709273980 has 36 divisors (see below), whose sum is σ = 2151464952. Its totient is φ = 189139680.

The previous prime is 709273973. The next prime is 709274011. The reversal of 709273980 is 89372907.

709273980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1970026 + ... + 1970385.

Almost surely, 2709273980 is an apocalyptic number.

It is an amenable number.

709273980 is an abundant number, since it is smaller than the sum of its proper divisors (1442190972).

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

709273980 is a wasteful number, since it uses less digits than its factorization.

709273980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940426 (or 3940421 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 709273980 is about 26632.1981819000. The cubic root of 709273980 is about 891.8079563376.

The spelling of 709273980 in words is "seven hundred nine million, two hundred seventy-three thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 3940411 7880822 11821233 15761644 19702055 23642466 35463699 39404110 47284932 59106165 70927398 78808220 118212330 141854796 177318495 236424660 354636990 709273980