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42750753 = 328375023
BaseRepresentation
bin1010001100010…
…1001100100001
32222102222000020
42203011030201
541421011003
64124144053
71026242523
oct243051441
988388006
1042750753
112214a301
1212398029
138b1a906
14596ba13
153b46d53
hex28c5321

42750753 has 8 divisors (see below), whose sum is σ = 57032448. Its totient is φ = 28484784.

The previous prime is 42750737. The next prime is 42750761. The reversal of 42750753 is 35705724.

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

It is not a de Polignac number, because 42750753 - 24 = 42750737 is a prime.

It is a super-3 number, since 3×427507533 (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42750793) 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, 6000 + ... + 11022.

It is an arithmetic number, because the mean of its divisors is an integer number (7129056).

Almost surely, 242750753 is an apocalyptic number.

It is an amenable number.

42750753 is a deficient number, since it is larger than the sum of its proper divisors (14281695).

42750753 is a wasteful number, since it uses less digits than its factorization.

42750753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 42750753 is about 6538.4059984066. The cubic root of 42750753 is about 349.6615858187.

The spelling of 42750753 in words is "forty-two million, seven hundred fifty thousand, seven hundred fifty-three".

Divisors: 1 3 2837 5023 8511 15069 14250251 42750753