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42003051 = 329094813
BaseRepresentation
bin1010000000111…
…0101001101011
32221000222100120
42200032221223
541223044201
64100134323
71020006606
oct240165153
987028316
1042003051
1121789572
12120973a3
13891849c
14581533d
153a4a536
hex280ea6b

42003051 has 8 divisors (see below), whose sum is σ = 56034960. Its totient is φ = 27986592.

The previous prime is 42003023. The next prime is 42003061. The reversal of 42003051 is 15030024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42003051 - 29 = 42002539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42003051.

It is not an unprimeable number, because it can be changed into a prime (42003061) 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, 6321 + ... + 11133.

It is an arithmetic number, because the mean of its divisors is an integer number (7004370).

Almost surely, 242003051 is an apocalyptic number.

42003051 is a deficient number, since it is larger than the sum of its proper divisors (14031909).

42003051 is a wasteful number, since it uses less digits than its factorization.

42003051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7725.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 42003051 is about 6480.9760838935. The cubic root of 42003051 is about 347.6110812351.

Adding to 42003051 its reverse (15030024), we get a palindrome (57033075).

The spelling of 42003051 in words is "forty-two million, three thousand, fifty-one".

Divisors: 1 3 2909 4813 8727 14439 14001017 42003051