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40069017 = 3217379691
BaseRepresentation
bin1001100011011…
…0011110011001
32210101201100200
42120312132121
540224202032
63550452413
7664403202
oct230663631
983351320
1040069017
112068849a
1211504109
1383bc0a1
1454705a9
1537b747c
hex2636799

40069017 has 24 divisors (see below), whose sum is σ = 61532640. Its totient is φ = 25038720.

The previous prime is 40068979. The next prime is 40069021. The reversal of 40069017 is 71096004.

It is not a de Polignac number, because 40069017 - 211 = 40066969 is a prime.

It is a super-2 number, since 2×400690172 = 3211052246692578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40069217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57642 + ... + 58332.

It is an arithmetic number, because the mean of its divisors is an integer number (2563860).

Almost surely, 240069017 is an apocalyptic number.

It is an amenable number.

40069017 is a deficient number, since it is larger than the sum of its proper divisors (21463623).

40069017 is a wasteful number, since it uses less digits than its factorization.

40069017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 40069017 is about 6330.0092416994. The cubic root of 40069017 is about 342.1917719990.

The spelling of 40069017 in words is "forty million, sixty-nine thousand, seventeen".

Divisors: 1 3 9 17 51 153 379 691 1137 2073 3411 6219 6443 11747 19329 35241 57987 105723 261889 785667 2357001 4452113 13356339 40069017