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40101445 = 531293883
BaseRepresentation
bin1001100011111…
…0011001000101
32210110100211201
42120332121011
540231221240
63551302501
7664566556
oct230763105
983410751
1040101445
11206aa89a
121151aa31
138400a87
14547c32d
1537c1d9a
hex263e645

40101445 has 16 divisors (see below), whose sum is σ = 49900032. Its totient is φ = 30905280.

The previous prime is 40101437. The next prime is 40101469. The reversal of 40101445 is 54410104.

40101445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40101445 - 23 = 40101437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44974 + ... + 45856.

It is an arithmetic number, because the mean of its divisors is an integer number (3118752).

Almost surely, 240101445 is an apocalyptic number.

It is an amenable number.

40101445 is a deficient number, since it is larger than the sum of its proper divisors (9798587).

40101445 is a wasteful number, since it uses less digits than its factorization.

40101445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40101445 is about 6332.5701733183. The cubic root of 40101445 is about 342.2840594524.

Adding to 40101445 its reverse (54410104), we get a palindrome (94511549).

The spelling of 40101445 in words is "forty million, one hundred one thousand, four hundred forty-five".

Divisors: 1 5 31 155 293 883 1465 4415 9083 27373 45415 136865 258719 1293595 8020289 40101445