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2940293778 = 23490048963
BaseRepresentation
bin1010111101000001…
…0101001010010010
321120220200101210120
42233100111022102
522010203400103
61203432411110
7132602041032
oct25720251222
97526611716
102940293778
1112797a0264
126a0846a96
1337b20b206
141dc7038c2
151231ed253
hexaf415292

2940293778 has 8 divisors (see below), whose sum is σ = 5880587568. Its totient is φ = 980097924.

The previous prime is 2940293761. The next prime is 2940293813. The reversal of 2940293778 is 8773920492.

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

2940293778 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2940293778.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245024476 + ... + 245024487.

It is an arithmetic number, because the mean of its divisors is an integer number (735073446).

Almost surely, 22940293778 is an apocalyptic number.

2940293778 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.

2940293778 is a wasteful number, since it uses less digits than its factorization.

2940293778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490048968.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The square root of 2940293778 is about 54224.4758204263. The cubic root of 2940293778 is about 1432.6174660093.

The spelling of 2940293778 in words is "two billion, nine hundred forty million, two hundred ninety-three thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 490048963 980097926 1470146889 2940293778