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2975428379 = 71138641927
BaseRepresentation
bin1011000101011001…
…0110111100011011
321200100210102102002
42301112112330123
522043202202004
61211125431215
7133506503210
oct26126267433
97610712362
102975428379
111297608420
126b056b50b
13385590311
1420324bb07
1512633d61e
hexb1596f1b

2975428379 has 8 divisors (see below), whose sum is σ = 3709625088. Its totient is φ = 2318515560.

The previous prime is 2975428363. The next prime is 2975428397. The reversal of 2975428379 is 9738245792.

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

It is a cyclic number.

It is not a de Polignac number, because 2975428379 - 24 = 2975428363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2975428319) 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, 19320887 + ... + 19321040.

It is an arithmetic number, because the mean of its divisors is an integer number (463703136).

Almost surely, 22975428379 is an apocalyptic number.

2975428379 is a deficient number, since it is larger than the sum of its proper divisors (734196709).

2975428379 is a wasteful number, since it uses less digits than its factorization.

2975428379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38641945.

The product of its digits is 7620480, while the sum is 56.

The square root of 2975428379 is about 54547.4873756803. The cubic root of 2975428379 is about 1438.3011696690.

The spelling of 2975428379 in words is "two billion, nine hundred seventy-five million, four hundred twenty-eight thousand, three hundred seventy-nine".

Divisors: 1 7 11 77 38641927 270493489 425061197 2975428379