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40246477 = 139289543
BaseRepresentation
bin1001100110000…
…1110011001101
32210201201210021
42121201303031
540300341402
63554342141
7666042445
oct231416315
983651707
1040246477
1120799857
121158a951
138451aab
1454b9125
1537eed37
hex2661ccd

40246477 has 4 divisors (see below), whose sum is σ = 40536160. Its totient is φ = 39956796.

The previous prime is 40246441. The next prime is 40246511. The reversal of 40246477 is 77464204.

40246477 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 a de Polignac number, because none of the positive numbers 2k-40246477 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 (40246777) 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, 144633 + ... + 144910.

It is an arithmetic number, because the mean of its divisors is an integer number (10134040).

Almost surely, 240246477 is an apocalyptic number.

It is an amenable number.

40246477 is a deficient number, since it is larger than the sum of its proper divisors (289683).

40246477 is a wasteful number, since it uses less digits than its factorization.

40246477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289682.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 40246477 is about 6344.0111128528. The cubic root of 40246477 is about 342.6962010095.

It can be divided in two parts, 4024 and 6477, that added together give a palindrome (10501).

The spelling of 40246477 in words is "forty million, two hundred forty-six thousand, four hundred seventy-seven".

Divisors: 1 139 289543 40246477