Search a number
-
+
452250020 = 225163138727
BaseRepresentation
bin11010111101001…
…100100110100100
31011111222200101202
4122331030212210
51411234000040
6112513142032
714131030115
oct3275144644
91144880352
10452250020
11212313152
1210755a918
1372906b81
14440c620c
1529a85015
hex1af4c9a4

452250020 has 24 divisors (see below), whose sum is σ = 955558464. Its totient is φ = 179788896.

The previous prime is 452250017. The next prime is 452250037. The reversal of 452250020 is 20052254.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 452249974 and 452250001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66104 + ... + 72623.

It is an arithmetic number, because the mean of its divisors is an integer number (39814936).

Almost surely, 2452250020 is an apocalyptic number.

It is an amenable number.

452250020 is an abundant number, since it is smaller than the sum of its proper divisors (503308444).

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

452250020 is a wasteful number, since it uses less digits than its factorization.

452250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138899 (or 138897 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 452250020 is about 21266.1707883671. The cubic root of 452250020 is about 767.5845033519.

The spelling of 452250020 in words is "four hundred fifty-two million, two hundred fifty thousand, twenty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 138727 277454 554908 693635 1387270 2774540 22612501 45225002 90450004 113062505 226125010 452250020