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2985640274 = 21492820137
BaseRepresentation
bin1011000111110101…
…0100000101010010
321201002000020111102
42301331110011102
522103310442044
61212132344402
7133662344411
oct26175240522
97632006442
102985640274
1112a2352801
126b3a75102
13387727466
14204749478
151271a924e
hexb1f54152

2985640274 has 4 divisors (see below), whose sum is σ = 4478460414. Its totient is φ = 1492820136.

The previous prime is 2985640271. The next prime is 2985640289. The reversal of 2985640274 is 4720465892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1685677249 + 1299963025 = 41057^2 + 36055^2 .

It is not an unprimeable number, because it can be changed into a prime (2985640271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746410067 + ... + 746410070.

Almost surely, 22985640274 is an apocalyptic number.

2985640274 is a deficient number, since it is larger than the sum of its proper divisors (1492820140).

2985640274 is a wasteful number, since it uses less digits than its factorization.

2985640274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492820139.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 2985640274 is about 54641.0127468370. The cubic root of 2985640274 is about 1439.9447435716.

The spelling of 2985640274 in words is "two billion, nine hundred eighty-five million, six hundred forty thousand, two hundred seventy-four".

Divisors: 1 2 1492820137 2985640274