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1928000272 = 241129499757
BaseRepresentation
bin111001011101010…
…1111001100010000
311222100212120011111
41302322233030100
512422032002042
6515151423104
765530506022
oct16272571420
94870776144
101928000272
118aa340160
12459824a94
13249588583
141440b6012
15b43de517
hex72eaf310

1928000272 has 80 divisors (see below), whose sum is σ = 4229640000. Its totient is φ = 843333120.

The previous prime is 1928000219. The next prime is 1928000273. The reversal of 1928000272 is 2720008291.

It is not an unprimeable number, because it can be changed into a prime (1928000273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2546518 + ... + 2547274.

It is an arithmetic number, because the mean of its divisors is an integer number (52870500).

Almost surely, 21928000272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1928000272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114820000).

1928000272 is an abundant number, since it is smaller than the sum of its proper divisors (2301639728).

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

1928000272 is a wasteful number, since it uses less digits than its factorization.

1928000272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1928000272 is about 43908.9998975153. Note that the first 3 decimals coincide. The cubic root of 1928000272 is about 1244.6169091709.

The spelling of 1928000272 in words is "one billion, nine hundred twenty-eight million, two hundred seventy-two", and thus it is an aban number.

Divisors: 1 2 4 8 11 16 22 29 44 58 88 116 176 232 319 464 499 638 757 998 1276 1514 1996 2552 3028 3992 5104 5489 6056 7984 8327 10978 12112 14471 16654 21953 21956 28942 33308 43906 43912 57884 66616 87812 87824 115768 133232 159181 175624 231536 241483 318362 351248 377743 482966 636724 755486 965932 1273448 1510972 1931864 2546896 3021944 3863728 4155173 6043888 8310346 10954547 16620692 21909094 33241384 43818188 66482768 87636376 120500017 175272752 241000034 482000068 964000136 1928000272