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452405423 = 2329897621
BaseRepresentation
bin11010111101110…
…010100010101111
31011112021120120102
4122331302202233
51411303433143
6112520341315
714132245151
oct3275624257
91145246512
10452405423
11212409988
1210761483b
137295c822
1444126ad1
1529ab60b8
hex1af728af

452405423 has 16 divisors (see below), whose sum is σ = 493905600. Its totient is φ = 413064960.

The previous prime is 452405419. The next prime is 452405431. The reversal of 452405423 is 324504254.

It is a cyclic number.

It is not a de Polignac number, because 452405423 - 22 = 452405419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452405483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55553 + ... + 63173.

It is an arithmetic number, because the mean of its divisors is an integer number (30869100).

Almost surely, 2452405423 is an apocalyptic number.

452405423 is a deficient number, since it is larger than the sum of its proper divisors (41500177).

452405423 is a wasteful number, since it uses less digits than its factorization.

452405423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 452405423 is about 21269.8242352869. The cubic root of 452405423 is about 767.6724128923.

Adding to 452405423 its reverse (324504254), we get a palindrome (776909677).

The spelling of 452405423 in words is "four hundred fifty-two million, four hundred five thousand, four hundred twenty-three".

Divisors: 1 23 29 89 667 2047 2581 7621 59363 175283 221009 678269 5083207 15600187 19669801 452405423