Search a number
-
+
727970140 = 225311117037
BaseRepresentation
bin101011011000111…
…111000101011100
31212201210201022001
4223120333011130
52442330021030
6200122532044
724016433632
oct5330770534
91781721261
10727970140
11343a13817
12183967024
13b7a83481
146c979352
1543d99cca
hex2b63f15c

727970140 has 24 divisors (see below), whose sum is σ = 1533665952. Its totient is φ = 290249280.

The previous prime is 727970119. The next prime is 727970147. The reversal of 727970140 is 41079727.

It is a self number, because there is not a number n which added to its sum of digits gives 727970140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727970147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52299 + ... + 64738.

It is an arithmetic number, because the mean of its divisors is an integer number (63902748).

Almost surely, 2727970140 is an apocalyptic number.

It is an amenable number.

727970140 is an abundant number, since it is smaller than the sum of its proper divisors (805695812).

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

727970140 is a wasteful number, since it uses less digits than its factorization.

727970140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117357 (or 117355 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 727970140 is about 26980.9217781750. The cubic root of 727970140 is about 899.5759895708.

The spelling of 727970140 in words is "seven hundred twenty-seven million, nine hundred seventy thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 117037 234074 468148 585185 1170370 2340740 36398507 72797014 145594028 181992535 363985070 727970140