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40497093 = 32713197251
BaseRepresentation
bin1001101001111…
…0111111000101
32211012110120100
42122132333011
540331401333
64003554313
71001135220
oct232367705
984173510
1040497093
112095007a
121168b999
13850bba0
1455425b7
15384e213
hex269efc5

40497093 has 48 divisors (see below), whose sum is σ = 72648576. Its totient is φ = 21168000.

The previous prime is 40497091. The next prime is 40497131. The reversal of 40497093 is 39079404.

It is not a de Polignac number, because 40497093 - 21 = 40497091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40497091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161218 + ... + 161468.

It is an arithmetic number, because the mean of its divisors is an integer number (1513512).

Almost surely, 240497093 is an apocalyptic number.

It is an amenable number.

40497093 is a deficient number, since it is larger than the sum of its proper divisors (32151483).

40497093 is a wasteful number, since it uses less digits than its factorization.

40497093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 40497093 is about 6363.7326310900. The cubic root of 40497093 is about 343.4060560650.

The spelling of 40497093 in words is "forty million, four hundred ninety-seven thousand, ninety-three".

Divisors: 1 3 7 9 13 21 39 63 91 117 197 251 273 591 753 819 1379 1757 1773 2259 2561 3263 4137 5271 7683 9789 12411 15813 17927 22841 23049 29367 49447 53781 68523 148341 161343 205569 346129 445023 642811 1038387 1928433 3115161 4499677 5785299 13499031 40497093