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42655371 = 3111292587
BaseRepresentation
bin1010001010110…
…1111010001011
32222021010011120
42202231322023
541404432441
64122130323
71025364453
oct242557213
988233146
1042655371
1122094680
12123509a3
138ab6385
145944d63
153b28966
hex28ade8b

42655371 has 8 divisors (see below), whose sum is σ = 62044224. Its totient is φ = 25851720.

The previous prime is 42655369. The next prime is 42655373. The reversal of 42655371 is 17355624.

It is an interprime number because it is at equal distance from previous prime (42655369) and next prime (42655373).

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

It is not a de Polignac number, because 42655371 - 21 = 42655369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1292587 = 42655371 / (4 + 2 + 6 + 5 + 5 + 3 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (42655373) 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, 646261 + ... + 646326.

It is an arithmetic number, because the mean of its divisors is an integer number (7755528).

Almost surely, 242655371 is an apocalyptic number.

42655371 is a deficient number, since it is larger than the sum of its proper divisors (19388853).

42655371 is a wasteful number, since it uses less digits than its factorization.

42655371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292601.

The product of its digits is 25200, while the sum is 33.

The square root of 42655371 is about 6531.1079458236. The cubic root of 42655371 is about 349.4013466925.

It can be divided in two parts, 426553 and 71, that added together give a palindrome (426624).

The spelling of 42655371 in words is "forty-two million, six hundred fifty-five thousand, three hundred seventy-one".

Divisors: 1 3 11 33 1292587 3877761 14218457 42655371