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42907960 = 2354672297
BaseRepresentation
bin1010001110101…
…1100100111000
32222201221122201
42203223210320
541441023320
64131355544
71030466044
oct243534470
988657581
1042907960
1122247427
1212452bb4
138b74334
1459ad024
153b7870a
hex28eb938

42907960 has 32 divisors (see below), whose sum is σ = 96791760. Its totient is φ = 17118976.

The previous prime is 42907913. The next prime is 42907961. The reversal of 42907960 is 6970924.

42907960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42907961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17532 + ... + 19828.

Almost surely, 242907960 is an apocalyptic number.

42907960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42907960 is an abundant number, since it is smaller than the sum of its proper divisors (53883800).

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

42907960 is a wasteful number, since it uses less digits than its factorization.

42907960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775 (or 2771 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 42907960 is about 6550.4167806331. The cubic root of 42907960 is about 350.0896641024.

The spelling of 42907960 in words is "forty-two million, nine hundred seven thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 467 934 1868 2297 2335 3736 4594 4670 9188 9340 11485 18376 18680 22970 45940 91880 1072699 2145398 4290796 5363495 8581592 10726990 21453980 42907960