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1242377054 = 219279711689
BaseRepresentation
bin100101000001101…
…0010101101011110
310012120202021220222
41022003102231132
510021022031204
6323140241342
742534013352
oct11203225536
93176667828
101242377054
115883202a6
122a80a0252
1316a510c69
14bb001462
157410babe
hex4a0d2b5e

1242377054 has 16 divisors (see below), whose sum is σ = 1962517200. Its totient is φ = 588233664.

The previous prime is 1242377053. The next prime is 1242377089. The reversal of 1242377054 is 4507732421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242377053) 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, 100442 + ... + 112130.

It is an arithmetic number, because the mean of its divisors is an integer number (122657325).

Almost surely, 21242377054 is an apocalyptic number.

1242377054 is a deficient number, since it is larger than the sum of its proper divisors (720140146).

1242377054 is a wasteful number, since it uses less digits than its factorization.

1242377054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14507.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 1242377054 is about 35247.3694621315. The cubic root of 1242377054 is about 1075.0231266703.

The spelling of 1242377054 in words is "one billion, two hundred forty-two million, three hundred seventy-seven thousand, fifty-four".

Divisors: 1 2 19 38 2797 5594 11689 23378 53143 106286 222091 444182 32694133 65388266 621188527 1242377054