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42744783 = 317838133
BaseRepresentation
bin1010001100001…
…1101111001111
32222102122211010
42203003233033
541420313113
64124100303
71026216234
oct243035717
988378733
1042744783
1122145874
1212394693
138b17c93
14596978b
153b451c3
hex28c3bcf

42744783 has 8 divisors (see below), whose sum is σ = 60345648. Its totient is φ = 26820224.

The previous prime is 42744763. The next prime is 42744799. The reversal of 42744783 is 38744724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42744783 - 26 = 42744719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42744703) 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, 419016 + ... + 419117.

It is an arithmetic number, because the mean of its divisors is an integer number (7543206).

Almost surely, 242744783 is an apocalyptic number.

42744783 is a deficient number, since it is larger than the sum of its proper divisors (17600865).

42744783 is a wasteful number, since it uses less digits than its factorization.

42744783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838153.

The product of its digits is 150528, while the sum is 39.

The square root of 42744783 is about 6537.9494491775. The cubic root of 42744783 is about 349.6453087032.

The spelling of 42744783 in words is "forty-two million, seven hundred forty-four thousand, seven hundred eighty-three".

Divisors: 1 3 17 51 838133 2514399 14248261 42744783