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2048197771 = 23197452041
BaseRepresentation
bin111101000010101…
…0000010010001011
312021202001020010201
41322011100102023
513143314312041
6535123553031
7101520252034
oct17205202213
95252036121
102048197771
11961177334
12491b2b777
13268451359
14156043a8b
15bec33631
hex7a15048b

2048197771 has 8 divisors (see below), whose sum is σ = 2148103584. Its totient is φ = 1949196480.

The previous prime is 2048197759. The next prime is 2048197787. The reversal of 2048197771 is 1777918402.

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 2048197771 - 29 = 2048197259 is a prime.

It is a super-2 number, since 2×20481977712 = 8390228218258736882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2048197741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221490 + ... + 230551.

It is an arithmetic number, because the mean of its divisors is an integer number (268512948).

Almost surely, 22048197771 is an apocalyptic number.

2048197771 is a deficient number, since it is larger than the sum of its proper divisors (99905813).

2048197771 is a wasteful number, since it uses less digits than its factorization.

2048197771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452261.

The product of its (nonzero) digits is 197568, while the sum is 46.

The square root of 2048197771 is about 45257.0190246773. The cubic root of 2048197771 is about 1269.9617181095.

The spelling of 2048197771 in words is "two billion, forty-eight million, one hundred ninety-seven thousand, seven hundred seventy-one".

Divisors: 1 23 197 4531 452041 10396943 89052077 2048197771