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42552415 = 523370021
BaseRepresentation
bin1010001001010…
…0110001011111
32222001212221101
42202110301133
541343134130
64120013531
71024455343
oct242246137
988055841
1042552415
1122024294
12123012a7
138a7b559
145919623
153b081ca
hex2894c5f

42552415 has 8 divisors (see below), whose sum is σ = 53283168. Its totient is φ = 32561760.

The previous prime is 42552409. The next prime is 42552427. The reversal of 42552415 is 51425524.

42552415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42552415 - 23 = 42552407 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 7 ways as a sum of consecutive naturals, for example, 184896 + ... + 185125.

It is an arithmetic number, because the mean of its divisors is an integer number (6660396).

Almost surely, 242552415 is an apocalyptic number.

42552415 is a deficient number, since it is larger than the sum of its proper divisors (10730753).

42552415 is a wasteful number, since it uses less digits than its factorization.

42552415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370049.

The product of its digits is 8000, while the sum is 28.

The square root of 42552415 is about 6523.2212134803. The cubic root of 42552415 is about 349.1200070052.

Adding to 42552415 its reverse (51425524), we get a palindrome (93977939).

It can be divided in two parts, 4255 and 2415, that added together give a triangular number (6670 = T115).

The spelling of 42552415 in words is "forty-two million, five hundred fifty-two thousand, four hundred fifteen".

Divisors: 1 5 23 115 370021 1850105 8510483 42552415