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40605465 = 3523373181
BaseRepresentation
bin1001101011100…
…1011100011001
32211101222020010
42122321130121
540343333330
64010152133
71002066165
oct232713431
984358203
1040605465
1120a1453a
1211722649
138549304
14556dca5
1538713b0
hex26b9719

40605465 has 32 divisors (see below), whose sum is σ = 69647616. Its totient is φ = 20148480.

The previous prime is 40605437. The next prime is 40605491. The reversal of 40605465 is 56450604.

It is not a de Polignac number, because 40605465 - 29 = 40604953 is a prime.

It is a super-3 number, since 3×406054653 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11175 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (2176488).

Almost surely, 240605465 is an apocalyptic number.

It is an amenable number.

40605465 is a deficient number, since it is larger than the sum of its proper divisors (29042151).

40605465 is a wasteful number, since it uses less digits than its factorization.

40605465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 40605465 is about 6372.2417562425. The cubic root of 40605465 is about 343.7121064565.

The spelling of 40605465 in words is "forty million, six hundred five thousand, four hundred sixty-five".

Divisors: 1 3 5 15 23 37 69 111 115 185 345 555 851 2553 3181 4255 9543 12765 15905 47715 73163 117697 219489 353091 365815 588485 1097445 1765455 2707031 8121093 13535155 40605465