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42745372 = 2247271839
BaseRepresentation
bin1010001100001…
…1111000011100
32222102200121221
42203003320130
541420322442
64124103124
71026221035
oct243037034
988380557
1042745372
112214625a
1212394aa4
138b18327
145969a8c
153b45467
hex28c3e1c

42745372 has 24 divisors (see below), whose sum is σ = 76769280. Its totient is φ = 20815920.

The previous prime is 42745357. The next prime is 42745433. The reversal of 42745372 is 27354724.

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, 50529 + ... + 51367.

It is an arithmetic number, because the mean of its divisors is an integer number (3198720).

Almost surely, 242745372 is an apocalyptic number.

It is an amenable number.

42745372 is a deficient number, since it is larger than the sum of its proper divisors (34023908).

42745372 is a wasteful number, since it uses less digits than its factorization.

42745372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1159 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 42745372 is about 6537.9944937267. The cubic root of 42745372 is about 349.6469146702.

The spelling of 42745372 in words is "forty-two million, seven hundred forty-five thousand, three hundred seventy-two".

Divisors: 1 2 4 47 94 188 271 542 839 1084 1678 3356 12737 25474 39433 50948 78866 157732 227369 454738 909476 10686343 21372686 42745372