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1005030042 = 23198816053
BaseRepresentation
bin111011111001111…
…000101010011010
32121001010211000220
4323321320222122
54024241430132
6243421140510
733622420512
oct7371705232
92531124026
101005030042
11476349a45
122406ba736
131302ab843
149769a842
155d376a2c
hex3be78a9a

1005030042 has 16 divisors (see below), whose sum is σ = 2115852960. Its totient is φ = 317377872.

The previous prime is 1005030029. The next prime is 1005030049. The reversal of 1005030042 is 2400305001.

It is not an unprimeable number, because it can be changed into a prime (1005030049) 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, 4407913 + ... + 4408140.

It is an arithmetic number, because the mean of its divisors is an integer number (132240810).

Almost surely, 21005030042 is an apocalyptic number.

1005030042 is an abundant number, since it is smaller than the sum of its proper divisors (1110822918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1005030042 is a wasteful number, since it uses less digits than its factorization.

1005030042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8816077.

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

The square root of 1005030042 is about 31702.2087874015. The cubic root of 1005030042 is about 1001.6738772383.

Adding to 1005030042 its reverse (2400305001), we get a palindrome (3405335043).

The spelling of 1005030042 in words is "one billion, five million, thirty thousand, forty-two".

Divisors: 1 2 3 6 19 38 57 114 8816053 17632106 26448159 52896318 167505007 335010014 502515021 1005030042