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42657468 = 2237507827
BaseRepresentation
bin1010001010111…
…0011010111100
32222021020001020
42202232122330
541410014333
64122144140
71025403540
oct242563274
988236036
1042657468
1122096207
1212352050
138ab7309
145945a20
153b293b3
hex28ae6bc

42657468 has 24 divisors (see below), whose sum is σ = 113753472. Its totient is φ = 12187824.

The previous prime is 42657431. The next prime is 42657469. The reversal of 42657468 is 86475624.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42657469) 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, 253830 + ... + 253997.

It is an arithmetic number, because the mean of its divisors is an integer number (4739728).

Almost surely, 242657468 is an apocalyptic number.

It is an amenable number.

42657468 is an abundant number, since it is smaller than the sum of its proper divisors (71096004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42657468 is a wasteful number, since it uses less digits than its factorization.

42657468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507841 (or 507839 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 42657468 is about 6531.2684832274. The cubic root of 42657468 is about 349.4070722912.

The spelling of 42657468 in words is "forty-two million, six hundred fifty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 507827 1015654 1523481 2031308 3046962 3554789 6093924 7109578 10664367 14219156 21328734 42657468