Search a number
-
+
42331744 = 2571314537
BaseRepresentation
bin1010000101111…
…0111001100000
32221122200020101
42201132321200
541314103434
64111152144
71022546110
oct241367140
987580211
1042331744
1121993514
1212215654
138a01c90
14589d040
153ab2b14
hex285ee60

42331744 has 48 divisors (see below), whose sum is σ = 102580128. Its totient is φ = 16745472.

The previous prime is 42331741. The next prime is 42331747. The reversal of 42331744 is 44713324.

It is an interprime number because it is at equal distance from previous prime (42331741) and next prime (42331747).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42331741) 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, 4357 + ... + 10180.

It is an arithmetic number, because the mean of its divisors is an integer number (2137086).

Almost surely, 242331744 is an apocalyptic number.

It is an amenable number.

42331744 is an abundant number, since it is smaller than the sum of its proper divisors (60248384).

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

42331744 is a wasteful number, since it uses less digits than its factorization.

42331744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14567 (or 14559 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 42331744 is about 6506.2849614815. The cubic root of 42331744 is about 348.5154645823.

The spelling of 42331744 in words is "forty-two million, three hundred thirty-one thousand, seven hundred forty-four".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 14537 29074 58148 101759 116296 188981 203518 232592 377962 407036 465184 755924 814072 1322867 1511848 1628144 2645734 3023696 3256288 5291468 6047392 10582936 21165872 42331744