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40441030 = 2571374217
BaseRepresentation
bin1001101001000…
…1010011000110
32211002121122221
42122101103012
540323103110
64002442554
71000512610
oct232212306
984077587
1040441030
1120911a43
121166345a
1384bc506
145529db0
15383c7da
hex26914c6

40441030 has 32 divisors (see below), whose sum is σ = 83820096. Its totient is φ = 13761024.

The previous prime is 40441007. The next prime is 40441031. The reversal of 40441030 is 3014404.

It is a junction number, because it is equal to n+sod(n) for n = 40440995 and 40441013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7482 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (2619378).

Almost surely, 240441030 is an apocalyptic number.

40441030 is an abundant number, since it is smaller than the sum of its proper divisors (43379066).

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

40441030 is a wasteful number, since it uses less digits than its factorization.

40441030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4368.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40441030 is about 6359.3262221717. The cubic root of 40441030 is about 343.2475157577.

Adding to 40441030 its reverse (3014404), we get a palindrome (43455434).

The spelling of 40441030 in words is "forty million, four hundred forty-one thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 137 274 685 959 1370 1918 4217 4795 8434 9590 21085 29519 42170 59038 147595 295190 577729 1155458 2888645 4044103 5777290 8088206 20220515 40441030