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42025510 = 258395009
BaseRepresentation
bin1010000001010…
…0001000100110
32221002010011101
42200110020212
541224304020
64100430314
71020132232
oct240241046
987063141
1042025510
11217a442a
12120a839a
138925787
14581d5c2
153a5200a
hex2814226

42025510 has 16 divisors (see below), whose sum is σ = 75751200. Its totient is φ = 16786816.

The previous prime is 42025499. The next prime is 42025519. The reversal of 42025510 is 1552024.

It is a super-2 number, since 2×420255102 = 3532286981520200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42025519) 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, 5886 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (4734450).

Almost surely, 242025510 is an apocalyptic number.

42025510 is a deficient number, since it is larger than the sum of its proper divisors (33725690).

42025510 is a wasteful number, since it uses less digits than its factorization.

42025510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 42025510 is about 6482.7085388748. The cubic root of 42025510 is about 347.6730259910.

Adding to 42025510 its reverse (1552024), we get a palindrome (43577534).

The spelling of 42025510 in words is "forty-two million, twenty-five thousand, five hundred ten".

Divisors: 1 2 5 10 839 1678 4195 5009 8390 10018 25045 50090 4202551 8405102 21012755 42025510