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42910320 = 2435178793
BaseRepresentation
bin1010001110110…
…0001001110000
32222202001220010
42203230021300
541441112240
64131414520
71030505655
oct243541160
988661803
1042910320
1122249182
1212454440
138b7542b
1459adc2c
153b79280
hex28ec270

42910320 has 40 divisors (see below), whose sum is σ = 133022736. Its totient is φ = 11442688.

The previous prime is 42910289. The next prime is 42910333. The reversal of 42910320 is 2301924.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89157 + ... + 89636.

Almost surely, 242910320 is an apocalyptic number.

42910320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42910320 is an abundant number, since it is smaller than the sum of its proper divisors (90112416).

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

42910320 is a wasteful number, since it uses less digits than its factorization.

42910320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178809 (or 178803 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 42910320 is about 6550.5969193654. The cubic root of 42910320 is about 350.0960824644.

The spelling of 42910320 in words is "forty-two million, nine hundred ten thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 178793 357586 536379 715172 893965 1072758 1430344 1787930 2145516 2681895 2860688 3575860 4291032 5363790 7151720 8582064 10727580 14303440 21455160 42910320