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2892505538 = 213128386711
BaseRepresentation
bin1010110001101000…
…0010000111000010
321110120202111122202
42230122002013002
521410440134123
61155004233202
7131451614516
oct25432020702
97416674582
102892505538
11125482024a
1268883b802
13371348750
141d6224146
1511de0da28
hexac6821c2

2892505538 has 16 divisors (see below), whose sum is σ = 4676204736. Its totient is φ = 1333946640.

The previous prime is 2892505531. The next prime is 2892505541. The reversal of 2892505538 is 8355052982.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2892505492 and 2892505501.

It is not an unprimeable number, because it can be changed into a prime (2892505531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9998 + ... + 76713.

It is an arithmetic number, because the mean of its divisors is an integer number (292262796).

Almost surely, 22892505538 is an apocalyptic number.

2892505538 is a deficient number, since it is larger than the sum of its proper divisors (1783699198).

2892505538 is a wasteful number, since it uses less digits than its factorization.

2892505538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88009.

The product of its (nonzero) digits is 864000, while the sum is 47.

The square root of 2892505538 is about 53782.0187237333. The cubic root of 2892505538 is about 1424.8136476122.

The spelling of 2892505538 in words is "two billion, eight hundred ninety-two million, five hundred five thousand, five hundred thirty-eight".

Divisors: 1 2 13 26 1283 2566 16679 33358 86711 173422 1127243 2254486 111250213 222500426 1446252769 2892505538