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2091288482 = 21045644241
BaseRepresentation
bin111110010100110…
…1000011110100010
312101202010110110222
41330221220132202
513240332212412
6543303323042
7102552441653
oct17451503642
95352113428
102091288482
11983528a98
124a4450482
1327435a90a
1415ba5d52a
15c38e6072
hex7ca687a2

2091288482 has 4 divisors (see below), whose sum is σ = 3136932726. Its totient is φ = 1045644240.

The previous prime is 2091288481. The next prime is 2091288491. The reversal of 2091288482 is 2848821902.

It is a happy number.

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., 1923611881 + 167676601 = 43859^2 + 12949^2 .

It is not an unprimeable number, because it can be changed into a prime (2091288481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522822119 + ... + 522822122.

Almost surely, 22091288482 is an apocalyptic number.

2091288482 is a deficient number, since it is larger than the sum of its proper divisors (1045644244).

2091288482 is a wasteful number, since it uses less digits than its factorization.

2091288482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045644243.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 2091288482 is about 45730.6077151835. The cubic root of 2091288482 is about 1278.8059506852.

The spelling of 2091288482 in words is "two billion, ninety-one million, two hundred eighty-eight thousand, four hundred eighty-two".

Divisors: 1 2 1045644241 2091288482