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40620452 = 2211099157
BaseRepresentation
bin1001101011110…
…1000110100100
32211102201210012
42122331012210
540344323302
64010345352
71002160655
oct232750644
984381705
1040620452
1120a24824
121172b258
138553092
14557552c
153875a52
hex26bd1a4

40620452 has 12 divisors (see below), whose sum is σ = 71157660. Its totient is φ = 20289696.

The previous prime is 40620451. The next prime is 40620467. The reversal of 40620452 is 25402604.

40620452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2477476 + 38142976 = 1574^2 + 6176^2 .

It is a super-3 number, since 3×406204523 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40620451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (5929805).

Almost surely, 240620452 is an apocalyptic number.

It is an amenable number.

40620452 is a deficient number, since it is larger than the sum of its proper divisors (30537208).

40620452 is a wasteful number, since it uses less digits than its factorization.

40620452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10270 (or 10268 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40620452 is about 6373.4176075321. The cubic root of 40620452 is about 343.7543879550.

The spelling of 40620452 in words is "forty million, six hundred twenty thousand, four hundred fifty-two".

Divisors: 1 2 4 1109 2218 4436 9157 18314 36628 10155113 20310226 40620452