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1242005082 = 23207000847
BaseRepresentation
bin100101000000111…
…0111111001011010
310012120001101200020
41022001313321122
510020423130312
6323124251310
742530604033
oct11201677132
93176041606
101242005082
1158809688a
122a7b40b36
1316a410866
14bad45a8a
157408678c
hex4a077e5a

1242005082 has 8 divisors (see below), whose sum is σ = 2484010176. Its totient is φ = 414001692.

The previous prime is 1242005081. The next prime is 1242005099. The reversal of 1242005082 is 2805002421.

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

1242005082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1242005081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103500418 + ... + 103500429.

It is an arithmetic number, because the mean of its divisors is an integer number (310501272).

Almost surely, 21242005082 is an apocalyptic number.

1242005082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1242005082 is a wasteful number, since it uses less digits than its factorization.

1242005082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207000852.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1242005082 is about 35242.0924747666. The cubic root of 1242005082 is about 1074.9158274098.

The spelling of 1242005082 in words is "one billion, two hundred forty-two million, five thousand, eighty-two".

Divisors: 1 2 3 6 207000847 414001694 621002541 1242005082