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2738928156 = 223257888109
BaseRepresentation
bin1010001101000000…
…1011101000011100
321001212202222002120
42203100023220130
521102131200111
61131440422540
7124605335166
oct24320135034
97055688076
102738928156
111186065298
12645317a50
13348596463
141bda87936
151106c4406
hexa340ba1c

2738928156 has 24 divisors (see below), whose sum is σ = 6415706640. Its totient is φ = 909422592.

The previous prime is 2738928139. The next prime is 2738928161. The reversal of 2738928156 is 6518298372.

It is a junction number, because it is equal to n+sod(n) for n = 2738928099 and 2738928108.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 440971 + ... + 447138.

It is an arithmetic number, because the mean of its divisors is an integer number (267321110).

Almost surely, 22738928156 is an apocalyptic number.

It is an amenable number.

2738928156 is an abundant number, since it is smaller than the sum of its proper divisors (3676778484).

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

2738928156 is a wasteful number, since it uses less digits than its factorization.

2738928156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888373 (or 888371 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2738928156 is about 52334.7700482194. The cubic root of 2738928156 is about 1399.1369095165.

The spelling of 2738928156 in words is "two billion, seven hundred thirty-eight million, nine hundred twenty-eight thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 257 514 771 1028 1542 3084 888109 1776218 2664327 3552436 5328654 10657308 228244013 456488026 684732039 912976052 1369464078 2738928156