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40073769 = 3241223487
BaseRepresentation
bin1001100011011…
…1101000101001
32210101221212200
42120313220221
540224330034
63550530413
7664423101
oct230675051
983357780
1040073769
112069101a
1211506a09
1383c12b8
145472201
1537b8a99
hex2637a29

40073769 has 24 divisors (see below), whose sum is σ = 59684352. Its totient is φ = 25894080.

The previous prime is 40073729. The next prime is 40073771. The reversal of 40073769 is 96737004.

40073769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40073769 - 213 = 40065577 is a prime.

It is a super-2 number, since 2×400737692 = 3211813923730722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40073729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82044 + ... + 82530.

It is an arithmetic number, because the mean of its divisors is an integer number (2486848).

Almost surely, 240073769 is an apocalyptic number.

It is an amenable number.

40073769 is a deficient number, since it is larger than the sum of its proper divisors (19610583).

40073769 is a wasteful number, since it uses less digits than its factorization.

40073769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 40073769 is about 6330.3845854735. The cubic root of 40073769 is about 342.2052989178.

It can be divided in two parts, 4007 and 3769, that added together give a 5-th power (7776 = 65).

The spelling of 40073769 in words is "forty million, seventy-three thousand, seven hundred sixty-nine".

Divisors: 1 3 9 41 123 223 369 487 669 1461 2007 4383 9143 19967 27429 59901 82287 108601 179703 325803 977409 4452641 13357923 40073769