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40551424 = 2101992
BaseRepresentation
bin1001101010110…
…0010000000000
32211022020002121
42122230100000
540340121144
64005054024
71001452504
oct232542000
984266077
1040551424
1120987981
12116b7314
13852a834
145558304
153860384
hex26ac400

40551424 has 33 divisors (see below), whose sum is σ = 81472647. Its totient is φ = 20173824.

The previous prime is 40551361. The next prime is 40551431. The reversal of 40551424 is 42415504.

It is a happy number.

The square root of 40551424 is 6368.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 203677 + ... + 203875.

Almost surely, 240551424 is an apocalyptic number.

40551424 is the 6368-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40551424

40551424 is an abundant number, since it is smaller than the sum of its proper divisors (40921223).

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

40551424 is an frugal number, since it uses more digits than its factorization.

40551424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The cubic root of 40551424 is about 343.5595589098.

Multiplying 40551424 by its sum of digits (25), we get a square (1013785600 = 318402).

Adding to 40551424 its reverse (42415504), we get a palindrome (82966928).

The spelling of 40551424 in words is "forty million, five hundred fifty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 199 256 398 512 796 1024 1592 3184 6368 12736 25472 39601 50944 79202 101888 158404 203776 316808 633616 1267232 2534464 5068928 10137856 20275712 40551424