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42751037 = 76107291
BaseRepresentation
bin1010001100010…
…1010000111101
32222102222101202
42203011100331
541421013122
64124145245
71026243410
oct243052075
988388352
1042751037
112214a53a
1212398225
138b1aa94
14596bb77
153b46e92
hex28c543d

42751037 has 4 divisors (see below), whose sum is σ = 48858336. Its totient is φ = 36643740.

The previous prime is 42751031. The next prime is 42751067. The reversal of 42751037 is 73015724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42751037 - 26 = 42750973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42751031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053639 + ... + 3053652.

It is an arithmetic number, because the mean of its divisors is an integer number (12214584).

Almost surely, 242751037 is an apocalyptic number.

It is an amenable number.

42751037 is a deficient number, since it is larger than the sum of its proper divisors (6107299).

42751037 is an equidigital number, since it uses as much as digits as its factorization.

42751037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107298.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 42751037 is about 6538.4277162021. The cubic root of 42751037 is about 349.6623601027.

The spelling of 42751037 in words is "forty-two million, seven hundred fifty-one thousand, thirty-seven".

Divisors: 1 7 6107291 42751037