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40073733 = 3271374643
BaseRepresentation
bin1001100011011…
…1101000000101
32210101221211100
42120313220011
540224324413
63550530313
7664423020
oct230675005
983357740
1040073733
1120690a97
1211506999
1383c128b
1454721b7
1537b8a73
hex2637a05

40073733 has 24 divisors (see below), whose sum is σ = 66650688. Its totient is φ = 22727232.

The previous prime is 40073729. The next prime is 40073771. The reversal of 40073733 is 33737004.

It is not a de Polignac number, because 40073733 - 22 = 40073729 is a prime.

It is a super-3 number, since 3×400737333 (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40073697 and 40073706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40073783) 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, 6310 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (2777112).

Almost surely, 240073733 is an apocalyptic number.

It is an amenable number.

40073733 is a deficient number, since it is larger than the sum of its proper divisors (26576955).

40073733 is a wasteful number, since it uses less digits than its factorization.

40073733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793 (or 4790 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 40073733 is about 6330.3817420437. The cubic root of 40073733 is about 342.2051964452.

The spelling of 40073733 in words is "forty million, seventy-three thousand, seven hundred thirty-three".

Divisors: 1 3 7 9 21 63 137 411 959 1233 2877 4643 8631 13929 32501 41787 97503 292509 636091 1908273 4452637 5724819 13357911 40073733