Search a number
-
+
42260751 = 3313120401
BaseRepresentation
bin1010000100110…
…1100100001111
32221112001212000
42201031210033
541304321001
64105443343
71022132121
oct241154417
987461760
1042260751
1121945145
12121a0553
1389a8880
145881211
153a9ba86
hex284d90f

42260751 has 16 divisors (see below), whose sum is σ = 67425120. Its totient is φ = 26006400.

The previous prime is 42260747. The next prime is 42260753. The reversal of 42260751 is 15706224.

42260751 is a `hidden beast` number, since 4 + 2 + 2 + 607 + 51 = 666.

It is not a de Polignac number, because 42260751 - 22 = 42260747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42260753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59850 + ... + 60551.

It is an arithmetic number, because the mean of its divisors is an integer number (4214070).

Almost surely, 242260751 is an apocalyptic number.

42260751 is a deficient number, since it is larger than the sum of its proper divisors (25164369).

42260751 is a wasteful number, since it uses less digits than its factorization.

42260751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120423 (or 120417 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 42260751 is about 6500.8269473968. The cubic root of 42260751 is about 348.3205281089.

Adding to 42260751 its reverse (15706224), we get a palindrome (57966975).

The spelling of 42260751 in words is "forty-two million, two hundred sixty thousand, seven hundred fifty-one".

Divisors: 1 3 9 13 27 39 117 351 120401 361203 1083609 1565213 3250827 4695639 14086917 42260751