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42737213 = 192977563
BaseRepresentation
bin1010001100000…
…1111000111101
32222102021102202
42203001320331
541420042323
64124001245
71026155201
oct243017075
988367382
1042737213
1122140112
1212390225
138b146bc
145966b01
153b42d28
hex28c1e3d

42737213 has 8 divisors (see below), whose sum is σ = 46538400. Its totient is φ = 39091248.

The previous prime is 42737209. The next prime is 42737231. The reversal of 42737213 is 31273724.

42737213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42737213 - 22 = 42737209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42737203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38231 + ... + 39332.

It is an arithmetic number, because the mean of its divisors is an integer number (5817300).

Almost surely, 242737213 is an apocalyptic number.

It is an amenable number.

42737213 is a deficient number, since it is larger than the sum of its proper divisors (3801187).

42737213 is a wasteful number, since it uses less digits than its factorization.

42737213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77611.

The product of its digits is 7056, while the sum is 29.

The square root of 42737213 is about 6537.3704958492. The cubic root of 42737213 is about 349.6246670321.

It can be divided in two parts, 4273721 and 3, that added together give a palindrome (4273724).

The spelling of 42737213 in words is "forty-two million, seven hundred thirty-seven thousand, two hundred thirteen".

Divisors: 1 19 29 551 77563 1473697 2249327 42737213