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42075351 = 3219324223
BaseRepresentation
bin1010000010000…
…0010011010111
32221011122112100
42200200103113
541232402401
64101453143
71020430443
oct240402327
987148470
1042075351
112182891a
12121111b3
138942376
145833823
153a61b86
hex28204d7

42075351 has 12 divisors (see below), whose sum is σ = 61092928. Its totient is φ = 27903744.

The previous prime is 42075337. The next prime is 42075359. The reversal of 42075351 is 15357024.

It is a happy number.

It is not a de Polignac number, because 42075351 - 221 = 39978199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42075359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10375 + ... + 13848.

Almost surely, 242075351 is an apocalyptic number.

42075351 is a deficient number, since it is larger than the sum of its proper divisors (19017577).

42075351 is a wasteful number, since it uses less digits than its factorization.

42075351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24422 (or 24419 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 42075351 is about 6486.5515491669. The cubic root of 42075351 is about 347.8104149680.

The spelling of 42075351 in words is "forty-two million, seventy-five thousand, three hundred fifty-one".

Divisors: 1 3 9 193 579 1737 24223 72669 218007 4675039 14025117 42075351