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405052 = 22131773
BaseRepresentation
bin1100010111000111100
3202120121221
41202320330
5100430202
612403124
73304624
oct1427074
9676557
10405052
1125735a
121764a4
1311249b
14a7884
1580037
hex62e3c

405052 has 12 divisors (see below), whose sum is σ = 715176. Its totient is φ = 200720.

The previous prime is 405049. The next prime is 405071. The reversal of 405052 is 250504.

It is a happy number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (59598).

2405052 is an apocalyptic number.

It is an amenable number.

405052 is a deficient number, since it is larger than the sum of its proper divisors (310124).

405052 is a wasteful number, since it uses less digits than its factorization.

405052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 405052 is about 636.4369568150. The cubic root of 405052 is about 73.9895285889.

Adding to 405052 its reverse (250504), we get a palindrome (655556).

The spelling of 405052 in words is "four hundred five thousand, fifty-two".

Divisors: 1 2 4 131 262 524 773 1546 3092 101263 202526 405052