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40779341 = 223182867
BaseRepresentation
bin1001101110001…
…1111001001101
32211201210201222
42123203321031
540414414331
64014013125
71003422131
oct233437115
984653658
1040779341
1121023139
12117a71a5
1385aa4b5
1455b73c1
1538a7b7b
hex26e3e4d

40779341 has 4 divisors (see below), whose sum is σ = 40962432. Its totient is φ = 40596252.

The previous prime is 40779331. The next prime is 40779367. The reversal of 40779341 is 14397704.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40779341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40779331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91211 + ... + 91656.

It is an arithmetic number, because the mean of its divisors is an integer number (10240608).

Almost surely, 240779341 is an apocalyptic number.

It is an amenable number.

40779341 is a deficient number, since it is larger than the sum of its proper divisors (183091).

40779341 is a wasteful number, since it uses less digits than its factorization.

40779341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183090.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 40779341 is about 6385.8704183533. The cubic root of 40779341 is about 344.2020091891.

The spelling of 40779341 in words is "forty million, seven hundred seventy-nine thousand, three hundred forty-one".

Divisors: 1 223 182867 40779341