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1242424079 = 131946710771
BaseRepresentation
bin100101000001101…
…1110001100001111
310012120211200102122
41022003132030033
510021030032304
6323141243155
742534300431
oct11203361417
93176750378
101242424079
11588352666
122a81034bb
1316a5294a0
14bb014651
157411a9be
hex4a0de30f

1242424079 has 16 divisors (see below), whose sum is σ = 1411562880. Its totient is φ = 1084065120.

The previous prime is 1242424049. The next prime is 1242424103. The reversal of 1242424079 is 9704242421.

It is a cyclic number.

It is not a de Polignac number, because 1242424079 - 28 = 1242423823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242424009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109964 + ... + 120734.

It is an arithmetic number, because the mean of its divisors is an integer number (88222680).

Almost surely, 21242424079 is an apocalyptic number.

1242424079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1242424079 is a deficient number, since it is larger than the sum of its proper divisors (169138801).

1242424079 is a wasteful number, since it uses less digits than its factorization.

1242424079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11270.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1242424079 is about 35248.0365268762. The cubic root of 1242424079 is about 1075.0366900043.

The spelling of 1242424079 in words is "one billion, two hundred forty-two million, four hundred twenty-four thousand, seventy-nine".

Divisors: 1 13 19 247 467 6071 8873 10771 115349 140023 204649 2660437 5030057 65390741 95571083 1242424079