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42634371 = 3134325423
BaseRepresentation
bin1010001010100…
…0110010000011
32222020001100210
42202220302003
541403244441
64121445203
71025246313
oct242506203
988201323
1042634371
112207a91a
1212340803
138aa9950
14593b443
153b22616
hex28a8c83

42634371 has 16 divisors (see below), whose sum is σ = 62644736. Its totient is φ = 25625376.

The previous prime is 42634337. The next prime is 42634373. The reversal of 42634371 is 17343624.

It is not a de Polignac number, because 42634371 - 26 = 42634307 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 6530-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42634373) by changing a digit.

It is a nontrivial repunit in base 6529.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11035 + ... + 14388.

It is an arithmetic number, because the mean of its divisors is an integer number (3915296).

Almost surely, 242634371 is an apocalyptic number.

42634371 is a deficient number, since it is larger than the sum of its proper divisors (20010365).

42634371 is a wasteful number, since it uses less digits than its factorization.

42634371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25482.

The product of its digits is 12096, while the sum is 30.

The square root of 42634371 is about 6529.5000574317. The cubic root of 42634371 is about 349.3439984418.

Adding to 42634371 its reverse (17343624), we get a palindrome (59977995).

The spelling of 42634371 in words is "forty-two million, six hundred thirty-four thousand, three hundred seventy-one".

Divisors: 1 3 13 39 43 129 559 1677 25423 76269 330499 991497 1093189 3279567 14211457 42634371