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42924215 = 512976619
BaseRepresentation
bin1010001110111…
…1100010110111
32222202202221202
42203233202313
541442033330
64132003115
71030564325
oct243574267
988682852
1042924215
1122258664
121246049b
138b7b859
1459b4d15
153b7d445
hex28ef8b7

42924215 has 8 divisors (see below), whose sum is σ = 51556560. Its totient is φ = 34307712.

The previous prime is 42924209. The next prime is 42924239. The reversal of 42924215 is 51242924.

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

It is a cyclic number.

It is not a de Polignac number, because 42924215 - 26 = 42924151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3176 + ... + 9794.

It is an arithmetic number, because the mean of its divisors is an integer number (6444570).

Almost surely, 242924215 is an apocalyptic number.

42924215 is a deficient number, since it is larger than the sum of its proper divisors (8632345).

42924215 is a wasteful number, since it uses less digits than its factorization.

42924215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7921.

The product of its digits is 5760, while the sum is 29.

The square root of 42924215 is about 6551.6574238890. The cubic root of 42924215 is about 350.1338671596.

The spelling of 42924215 in words is "forty-two million, nine hundred twenty-four thousand, two hundred fifteen".

Divisors: 1 5 1297 6485 6619 33095 8584843 42924215