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42750292 = 22132928349
BaseRepresentation
bin1010001100010…
…1000101010100
32222102221101011
42203011011110
541421002132
64124142004
71026241264
oct243050524
988387334
1042750292
1122149a22
1212397904
138b1a640
14596b7a4
153b46b47
hex28c5154

42750292 has 24 divisors (see below), whose sum is σ = 83349000. Its totient is φ = 19049856.

The previous prime is 42750269. The next prime is 42750293. The reversal of 42750292 is 29205724.

It can be written as a sum of positive squares in 4 ways, for example, as 318096 + 42432196 = 564^2 + 6514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42750293) 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, 12667 + ... + 15682.

It is an arithmetic number, because the mean of its divisors is an integer number (3472875).

Almost surely, 242750292 is an apocalyptic number.

It is an amenable number.

42750292 is a deficient number, since it is larger than the sum of its proper divisors (40598708).

42750292 is a wasteful number, since it uses less digits than its factorization.

42750292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28395 (or 28393 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42750292 is about 6538.3707450710. The cubic root of 42750292 is about 349.6603289631.

The spelling of 42750292 in words is "forty-two million, seven hundred fifty thousand, two hundred ninety-two".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 28349 56698 113396 368537 737074 822121 1474148 1644242 3288484 10687573 21375146 42750292