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42750507 = 357724697
BaseRepresentation
bin1010001100010…
…1001000101011
32222102221200010
42203011020223
541421004012
64124143003
71026242022
oct243051053
988387603
1042750507
112214a0a8
1212397a63
138b1a777
14596b8b9
153b46c3c
hex28c522b

42750507 has 8 divisors (see below), whose sum is σ = 57101776. Its totient is φ = 28449792.

The previous prime is 42750481. The next prime is 42750511. The reversal of 42750507 is 70505724.

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

It is not a de Polignac number, because 42750507 - 26 = 42750443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42750517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10618 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (7137722).

Almost surely, 242750507 is an apocalyptic number.

42750507 is a deficient number, since it is larger than the sum of its proper divisors (14351269).

42750507 is a wasteful number, since it uses less digits than its factorization.

42750507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25277.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 42750507 is about 6538.3871864551. The cubic root of 42750507 is about 349.6609151334.

The spelling of 42750507 in words is "forty-two million, seven hundred fifty thousand, five hundred seven".

Divisors: 1 3 577 1731 24697 74091 14250169 42750507