Search a number
-
+
452011980 = 2235717293759
BaseRepresentation
bin11010111100010…
…010011111001100
31011111112120212110
4122330102133030
51411203340410
6112504104020
714126016120
oct3274223714
91144476773
10452011980
11212170322
12107465010
1372852714
1444063580
1529a39720
hex1af127cc

452011980 has 384 divisors, whose sum is σ = 1654732800. Its totient is φ = 89800704.

The previous prime is 452011927. The next prime is 452011999. The reversal of 452011980 is 89110254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7661191 + ... + 7661249.

It is an arithmetic number, because the mean of its divisors is an integer number (4309200).

Almost surely, 2452011980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452011980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827366400).

452011980 is an abundant number, since it is smaller than the sum of its proper divisors (1202720820).

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

452011980 is a wasteful number, since it uses less digits than its factorization.

452011980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 452011980 is about 21260.5733695025. The cubic root of 452011980 is about 767.4498080331.

The spelling of 452011980 in words is "four hundred fifty-two million, eleven thousand, nine hundred eighty".