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40479341 = 724120149
BaseRepresentation
bin1001101001101…
…0101001101101
32211011120012212
42122122221231
540330314331
64003340205
71001032400
oct232325155
984146185
1040479341
1120938801
1211681665
138503a96
145539d37
153848d2b
hex269aa6d

40479341 has 12 divisors (see below), whose sum is σ = 48239100. Its totient is φ = 33848640.

The previous prime is 40479319. The next prime is 40479343. The reversal of 40479341 is 14397404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8726116 + 31753225 = 2954^2 + 5635^2 .

It is a de Polignac number, because none of the positive numbers 2k-40479341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40479298 and 40479307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40479343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8066 + ... + 12083.

It is an arithmetic number, because the mean of its divisors is an integer number (4019925).

Almost surely, 240479341 is an apocalyptic number.

40479341 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40479341 is a deficient number, since it is larger than the sum of its proper divisors (7759759).

40479341 is a wasteful number, since it uses less digits than its factorization.

40479341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20204 (or 20197 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40479341 is about 6362.3376993052. The cubic root of 40479341 is about 343.3558711025.

The spelling of 40479341 in words is "forty million, four hundred seventy-nine thousand, three hundred forty-one".

Divisors: 1 7 41 49 287 2009 20149 141043 826109 987301 5782763 40479341