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2871625028 = 22717906257
BaseRepresentation
bin1010101100101001…
…1000010101000100
321102010110122222112
42223022120111010
521340114000103
61152540520152
7131106260426
oct25312302504
97363418875
102871625028
111243a59428
12681850058
13369c1760c
141d354a816
1511c186cd8
hexab298544

2871625028 has 6 divisors (see below), whose sum is σ = 5025343806. Its totient is φ = 1435812512.

The previous prime is 2871625027. The next prime is 2871625051. The reversal of 2871625028 is 8205261782.

It can be written as a sum of positive squares in only one way, i.e., 2212573444 + 659051584 = 47038^2 + 25672^2 .

It is not an unprimeable number, because it can be changed into a prime (2871625027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358953125 + ... + 358953132.

It is an arithmetic number, because the mean of its divisors is an integer number (837557301).

Almost surely, 22871625028 is an apocalyptic number.

It is an amenable number.

2871625028 is a deficient number, since it is larger than the sum of its proper divisors (2153718778).

2871625028 is a wasteful number, since it uses less digits than its factorization.

2871625028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717906261 (or 717906259 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 2871625028 is about 53587.5454560106. The cubic root of 2871625028 is about 1421.3768679213.

The spelling of 2871625028 in words is "two billion, eight hundred seventy-one million, six hundred twenty-five thousand, twenty-eight".

Divisors: 1 2 4 717906257 1435812514 2871625028