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40141353 = 371911493
BaseRepresentation
bin1001100100100…
…0001000101001
32210112101120210
42121020020221
540234010403
63552211333
7665124120
oct231101051
983471523
1040141353
112072787a
1211539b49
138415ca5
14548cab7
1537cdb03
hex2648229

40141353 has 8 divisors (see below), whose sum is σ = 61167808. Its totient is φ = 22937904.

The previous prime is 40141351. The next prime is 40141379. The reversal of 40141353 is 35314104.

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

It is not a de Polignac number, because 40141353 - 21 = 40141351 is a prime.

It is a super-2 number, since 2×401413532 = 3222656441341218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1911493 = 40141353 / (4 + 0 + 1 + 4 + 1 + 3 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40141351) 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, 955726 + ... + 955767.

It is an arithmetic number, because the mean of its divisors is an integer number (7645976).

Almost surely, 240141353 is an apocalyptic number.

It is an amenable number.

40141353 is a deficient number, since it is larger than the sum of its proper divisors (21026455).

40141353 is a wasteful number, since it uses less digits than its factorization.

40141353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911503.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40141353 is about 6335.7204010278. The cubic root of 40141353 is about 342.3975661138.

Adding to 40141353 its reverse (35314104), we get a palindrome (75455457).

The spelling of 40141353 in words is "forty million, one hundred forty-one thousand, three hundred fifty-three".

Divisors: 1 3 7 21 1911493 5734479 13380451 40141353