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42034971 = 3111273787
BaseRepresentation
bin1010000001011…
…0011100011011
32221002121010210
42200112130123
541230104341
64100542203
71020201636
oct240263433
987077123
1042034971
1121800550
12120b1963
138929b84
145822c1d
153a54c16
hex281671b

42034971 has 8 divisors (see below), whose sum is σ = 61141824. Its totient is φ = 25475720.

The previous prime is 42034939. The next prime is 42034981. The reversal of 42034971 is 17943024.

It is a happy number.

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 42034971 - 25 = 42034939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42034981) 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, 636861 + ... + 636926.

It is an arithmetic number, because the mean of its divisors is an integer number (7642728).

Almost surely, 242034971 is an apocalyptic number.

42034971 is a deficient number, since it is larger than the sum of its proper divisors (19106853).

42034971 is a wasteful number, since it uses less digits than its factorization.

42034971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273801.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42034971 is about 6483.4382082349. The cubic root of 42034971 is about 347.6991140162.

Adding to 42034971 its reverse (17943024), we get a palindrome (59977995).

The spelling of 42034971 in words is "forty-two million, thirty-four thousand, nine hundred seventy-one".

Divisors: 1 3 11 33 1273787 3821361 14011657 42034971