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42025734 = 23217137339
BaseRepresentation
bin1010000001010…
…0001100000110
32221002010110200
42200110030012
541224310414
64100431330
71020133002
oct240241406
987063420
1042025734
11217a4613
12120a8546
1389258ca
14581d702
153a52109
hex2814306

42025734 has 24 divisors (see below), whose sum is σ = 96412680. Its totient is φ = 13184448.

The previous prime is 42025729. The next prime is 42025757. The reversal of 42025734 is 43752024.

It is a junction number, because it is equal to n+sod(n) for n = 42025698 and 42025707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68364 + ... + 68975.

It is an arithmetic number, because the mean of its divisors is an integer number (4017195).

Almost surely, 242025734 is an apocalyptic number.

42025734 is an abundant number, since it is smaller than the sum of its proper divisors (54386946).

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

42025734 is a wasteful number, since it uses less digits than its factorization.

42025734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137364 (or 137361 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42025734 is about 6482.7258155810. The cubic root of 42025734 is about 347.6736437001.

Adding to 42025734 its reverse (43752024), we get a palindrome (85777758).

The spelling of 42025734 in words is "forty-two million, twenty-five thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 137339 274678 412017 824034 1236051 2334763 2472102 4669526 7004289 14008578 21012867 42025734