Search a number
-
+
842372620 = 22542118631
BaseRepresentation
bin110010001101011…
…001011000001100
32011201001221222221
4302031121120030
53211121410440
6215330545124
726606022565
oct6215313014
92151057887
10842372620
113a2552021
121b61381a4
1310569a64b
147dc3916c
154de46d4a
hex3235960c

842372620 has 12 divisors (see below), whose sum is σ = 1768982544. Its totient is φ = 336949040.

The previous prime is 842372569. The next prime is 842372621. The reversal of 842372620 is 26273248.

It is not an unprimeable number, because it can be changed into a prime (842372621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21059296 + ... + 21059335.

It is an arithmetic number, because the mean of its divisors is an integer number (147415212).

Almost surely, 2842372620 is an apocalyptic number.

It is an amenable number.

842372620 is an abundant number, since it is smaller than the sum of its proper divisors (926609924).

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

842372620 is a wasteful number, since it uses less digits than its factorization.

842372620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42118640 (or 42118638 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 842372620 is about 29023.6562135097. The cubic root of 842372620 is about 944.4263177246.

The spelling of 842372620 in words is "eight hundred forty-two million, three hundred seventy-two thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 42118631 84237262 168474524 210593155 421186310 842372620