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41688769 = 311344799
BaseRepresentation
bin1001111100000…
…1111011000001
32220110000020111
42133001323001
541133020034
64045311321
71014230413
oct237017301
986400214
1041688769
1121594431
1211b65541
138838415
1457729b3
1539d7364
hex27c1ec1

41688769 has 4 divisors (see below), whose sum is σ = 43033600. Its totient is φ = 40343940.

The previous prime is 41688749. The next prime is 41688797. The reversal of 41688769 is 96788614.

41688769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 41688769 - 25 = 41688737 is a prime.

It is a super-2 number, since 2×416887692 = 3475906921470722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41688739) 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 3 ways as a sum of consecutive naturals, for example, 672369 + ... + 672430.

It is an arithmetic number, because the mean of its divisors is an integer number (10758400).

Almost surely, 241688769 is an apocalyptic number.

It is an amenable number.

41688769 is a deficient number, since it is larger than the sum of its proper divisors (1344831).

41688769 is a wasteful number, since it uses less digits than its factorization.

41688769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344830.

The product of its digits is 580608, while the sum is 49.

The square root of 41688769 is about 6456.6840560771. The cubic root of 41688769 is about 346.7419259476.

The spelling of 41688769 in words is "forty-one million, six hundred eighty-eight thousand, seven hundred sixty-nine".

Divisors: 1 31 1344799 41688769