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42425280 = 2632514731
BaseRepresentation
bin1010000111010…
…1101111000000
32221211102112200
42201311233000
541330102110
64113153200
71023415602
oct241655700
987742480
1042425280
1121a47817
121225b800
138a35721
1458c5172
153ad06c0
hex2875bc0

42425280 has 84 divisors (see below), whose sum is σ = 145935192. Its totient is φ = 11312640.

The previous prime is 42425249. The next prime is 42425287. The reversal of 42425280 is 8252424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4486 + ... + 10245.

Almost surely, 242425280 is an apocalyptic number.

42425280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42425280 is an abundant number, since it is smaller than the sum of its proper divisors (103509912).

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

42425280 is a wasteful number, since it uses less digits than its factorization.

42425280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754 (or 14741 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 42425280 is about 6513.4691217507. The cubic root of 42425280 is about 348.7719684007.

The spelling of 42425280 in words is "forty-two million, four hundred twenty-five thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 14731 29462 44193 58924 73655 88386 117848 132579 147310 176772 220965 235696 265158 294620 353544 441930 471392 530316 589240 662895 707088 883860 942784 1060632 1178480 1325790 1414176 1767720 2121264 2356960 2651580 2828352 3535440 4242528 4713920 5303160 7070880 8485056 10606320 14141760 21212640 42425280