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452040 = 23353767
BaseRepresentation
bin1101110010111001000
3211222002020
41232113020
5103431130
613404440
73561621
oct1562710
9758066
10452040
11289696
12199720
1312a9a4
14baa48
158de10
hex6e5c8

452040 has 32 divisors (see below), whose sum is σ = 1356480. Its totient is φ = 120512.

The previous prime is 452033. The next prime is 452041. The reversal of 452040 is 40254.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 452040.

It is not an unprimeable number, because it can be changed into a prime (452041) by changing a digit.

452040 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764 + ... + 2003.

It is an arithmetic number, because the mean of its divisors is an integer number (42390).

2452040 is an apocalyptic number.

452040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452040 is an abundant number, since it is smaller than the sum of its proper divisors (904440).

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

452040 is a wasteful number, since it uses less digits than its factorization.

452040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 452040 is about 672.3392001066. The cubic root of 452040 is about 76.7465665651.

Adding to 452040 its reverse (40254), we get a palindrome (492294).

It can be divided in two parts, 4520 and 40, that added together give a triangular number (4560 = T95).

The spelling of 452040 in words is "four hundred fifty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3767 7534 11301 15068 18835 22602 30136 37670 45204 56505 75340 90408 113010 150680 226020 452040