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20032752 = 2431492801
BaseRepresentation
bin100110001101…
…0110011110000
31101200202202210
41030122303300
520112022002
61553212120
7332163345
oct114326360
941622683
1020032752
11103429a3
126861040
1341c52cc
1429367cc
151b5a96c
hex131acf0

20032752 has 40 divisors (see below), whose sum is σ = 52117200. Its totient is φ = 6630400.

The previous prime is 20032751. The next prime is 20032777. The reversal of 20032752 is 25723002.

It is a super-2 number, since 2×200327522 = 802622305387008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5752 + ... + 8552.

It is an arithmetic number, because the mean of its divisors is an integer number (1302930).

Almost surely, 220032752 is an apocalyptic number.

It is an amenable number.

20032752 is an abundant number, since it is smaller than the sum of its proper divisors (32084448).

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

20032752 is a wasteful number, since it uses less digits than its factorization.

20032752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2961 (or 2955 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20032752 is about 4475.7962420110. The cubic root of 20032752 is about 271.5898518610.

Adding to 20032752 its reverse (25723002), we get a palindrome (45755754).

The spelling of 20032752 in words is "twenty million, thirty-two thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 149 298 447 596 894 1192 1788 2384 2801 3576 5602 7152 8403 11204 16806 22408 33612 44816 67224 134448 417349 834698 1252047 1669396 2504094 3338792 5008188 6677584 10016376 20032752