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10142445 = 355631201
BaseRepresentation
bin100110101100…
…001011101101
3201002021211010
4212230023231
510044024240
61001215433
7152131545
oct46541355
921067733
1010142445
1157a8195
123491579
132141661
1414c0325
15d55280
hex9ac2ed

10142445 has 16 divisors (see below), whose sum is σ = 16270272. Its totient is φ = 5395200.

The previous prime is 10142441. The next prime is 10142449. The reversal of 10142445 is 54424101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10142441) and next prime (10142449).

It is not a de Polignac number, because 10142445 - 22 = 10142441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142441) 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 15 ways as a sum of consecutive naturals, for example, 7845 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (1016892).

Almost surely, 210142445 is an apocalyptic number.

10142445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10142445 is a deficient number, since it is larger than the sum of its proper divisors (6127827).

10142445 is a wasteful number, since it uses less digits than its factorization.

10142445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 10142445 is about 3184.7205528900. The cubic root of 10142445 is about 216.4616113863.

Adding to 10142445 its reverse (54424101), we get a palindrome (64566546).

The spelling of 10142445 in words is "ten million, one hundred forty-two thousand, four hundred forty-five".

Divisors: 1 3 5 15 563 1201 1689 2815 3603 6005 8445 18015 676163 2028489 3380815 10142445