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42620259 = 3111291523
BaseRepresentation
bin1010001010010…
…1010101100011
32222012100000010
42202211111203
541402322014
64121300003
71025160213
oct242452543
988170003
1042620259
1122070260
1212334603
138aa33b6
145936243
153b1d359
hex28a5563

42620259 has 8 divisors (see below), whose sum is σ = 61993152. Its totient is φ = 25830440.

The previous prime is 42620239. The next prime is 42620269. The reversal of 42620259 is 95202624.

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 42620259 - 27 = 42620131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42620239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645729 + ... + 645794.

It is an arithmetic number, because the mean of its divisors is an integer number (7749144).

Almost surely, 242620259 is an apocalyptic number.

42620259 is a deficient number, since it is larger than the sum of its proper divisors (19372893).

42620259 is a wasteful number, since it uses less digits than its factorization.

42620259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291537.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 42620259 is about 6528.4193339583. The cubic root of 42620259 is about 349.3054498371.

The spelling of 42620259 in words is "forty-two million, six hundred twenty thousand, two hundred fifty-nine".

Divisors: 1 3 11 33 1291523 3874569 14206753 42620259