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40199613 = 397138143
BaseRepresentation
bin1001100101011…
…0010110111101
32210122100111120
42121112112331
540242341423
63553341153
7665456016
oct231262675
983570446
1040199613
1120767623
12115677b9
13843666c
1454a600d
1537e0ee3
hex26565bd

40199613 has 8 divisors (see below), whose sum is σ = 54152448. Its totient is φ = 26523264.

The previous prime is 40199587. The next prime is 40199633. The reversal of 40199613 is 31699104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40199613 - 25 = 40199581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40199633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68781 + ... + 69362.

It is an arithmetic number, because the mean of its divisors is an integer number (6769056).

Almost surely, 240199613 is an apocalyptic number.

It is an amenable number.

40199613 is a deficient number, since it is larger than the sum of its proper divisors (13952835).

40199613 is a wasteful number, since it uses less digits than its factorization.

40199613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138243.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 40199613 is about 6340.3164747511. The cubic root of 40199613 is about 342.5631346842.

The spelling of 40199613 in words is "forty million, one hundred ninety-nine thousand, six hundred thirteen".

Divisors: 1 3 97 291 138143 414429 13399871 40199613