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2549970942 = 23424995157
BaseRepresentation
bin1001011111111101…
…0111011111111110
320120201012221112020
42113333113133332
520210243032232
61101010421010
7120122252421
oct22777273776
96521187466
102549970942
111099434a02
125b1b91766
133183a755c
141a293b9b8
15edcebe2c
hex97fd77fe

2549970942 has 8 divisors (see below), whose sum is σ = 5099941896. Its totient is φ = 849990312.

The previous prime is 2549970931. The next prime is 2549970949. The reversal of 2549970942 is 2490799452.

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

2549970942 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549970949) 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, 212497573 + ... + 212497584.

It is an arithmetic number, because the mean of its divisors is an integer number (637492737).

Almost surely, 22549970942 is an apocalyptic number.

2549970942 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.

2549970942 is a wasteful number, since it uses less digits than its factorization.

2549970942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424995162.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 2549970942 is about 50497.2369739177. The cubic root of 2549970942 is about 1366.1920186212.

The spelling of 2549970942 in words is "two billion, five hundred forty-nine million, nine hundred seventy thousand, nine hundred forty-two".

Divisors: 1 2 3 6 424995157 849990314 1274985471 2549970942