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1452684020 = 22572634201
BaseRepresentation
bin101011010010110…
…0011001011110100
310202020110222211212
41112211203023310
510433341342040
6400052020552
750666416244
oct12645431364
93666428755
101452684020
11686003007
12346601758
131a1c66758
14dad07b24
15877eed65
hex569632f4

1452684020 has 12 divisors (see below), whose sum is σ = 3050636484. Its totient is φ = 581073600.

The previous prime is 1452684001. The next prime is 1452684029. The reversal of 1452684020 is 204862541.

It can be written as a sum of positive squares in 2 ways, for example, as 634838416 + 817845604 = 25196^2 + 28598^2 .

It is a super-2 number, since 2×14526840202 = 4220581723926720800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452684029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36317081 + ... + 36317120.

It is an arithmetic number, because the mean of its divisors is an integer number (254219707).

Almost surely, 21452684020 is an apocalyptic number.

1452684020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1452684020 is an abundant number, since it is smaller than the sum of its proper divisors (1597952464).

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

1452684020 is a wasteful number, since it uses less digits than its factorization.

1452684020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72634210 (or 72634208 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1452684020 is about 38114.0921445074. The cubic root of 1452684020 is about 1132.5491359014.

The spelling of 1452684020 in words is "one billion, four hundred fifty-two million, six hundred eighty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 72634201 145268402 290536804 363171005 726342010 1452684020