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42377240 = 2352115021
BaseRepresentation
bin1010000110101…
…0000000011000
32221201222122102
42201222000120
541322032430
64112142532
71023125543
oct241520030
987658572
1042377240
1121a14714
1212237a48
138a198b9
1458b185a
153ac1345
hex286a018

42377240 has 32 divisors (see below), whose sum is σ = 95819760. Its totient is φ = 16867200.

The previous prime is 42377219. The next prime is 42377267. The reversal of 42377240 is 4277324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5930 + ... + 10950.

Almost surely, 242377240 is an apocalyptic number.

42377240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42377240 is an abundant number, since it is smaller than the sum of its proper divisors (53442520).

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

42377240 is a wasteful number, since it uses less digits than its factorization.

42377240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5239 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 42377240 is about 6509.7803342356. The cubic root of 42377240 is about 348.6402754299.

The spelling of 42377240 in words is "forty-two million, three hundred seventy-seven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 211 422 844 1055 1688 2110 4220 5021 8440 10042 20084 25105 40168 50210 100420 200840 1059431 2118862 4237724 5297155 8475448 10594310 21188620 42377240