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2897228670 = 235713796327
BaseRepresentation
bin1010110010110000…
…0011001101111110
321110220122110120120
42230230003031332
521413142304140
61155253355410
7131540015550
oct25454031576
97426573516
102897228670
111257456866
1268a338b66
133723104bb
141d6ad34d0
1511e5431d0
hexacb0337e

2897228670 has 32 divisors (see below), whose sum is σ = 7946684928. Its totient is φ = 662223648.

The previous prime is 2897228639. The next prime is 2897228671. The reversal of 2897228670 is 768227982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897228671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6897954 + ... + 6898373.

It is an arithmetic number, because the mean of its divisors is an integer number (248333904).

Almost surely, 22897228670 is an apocalyptic number.

2897228670 is an abundant number, since it is smaller than the sum of its proper divisors (5049456258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2897228670 is a wasteful number, since it uses less digits than its factorization.

2897228670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796344.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The square root of 2897228670 is about 53825.9107679564. The cubic root of 2897228670 is about 1425.5887453355.

The spelling of 2897228670 in words is "two billion, eight hundred ninety-seven million, two hundred twenty-eight thousand, six hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 13796327 27592654 41388981 68981635 82777962 96574289 137963270 193148578 206944905 289722867 413889810 482871445 579445734 965742890 1448614335 2897228670