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1252132928 = 2659331603
BaseRepresentation
bin100101010100010…
…0000100001000000
310020021002221110122
41022220200201000
510031021223203
6324125315412
743012645214
oct11250404100
93207087418
101252132928
11592884002
122ab405b68
1316c548677
14bc420944
1574dd7538
hex4aa20840

1252132928 has 28 divisors (see below), whose sum is σ = 2526822480. Its totient is φ = 615453312.

The previous prime is 1252132877. The next prime is 1252132957. The reversal of 1252132928 is 8292312521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162026 + ... + 169577.

It is an arithmetic number, because the mean of its divisors is an integer number (90243660).

Almost surely, 21252132928 is an apocalyptic number.

It is an amenable number.

1252132928 is an abundant number, since it is smaller than the sum of its proper divisors (1274689552).

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

1252132928 is an equidigital number, since it uses as much as digits as its factorization.

1252132928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331674 (or 331664 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 1252132928 is about 35385.4903597506. The cubic root of 1252132928 is about 1077.8296973969.

The spelling of 1252132928 in words is "one billion, two hundred fifty-two million, one hundred thirty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 32 59 64 118 236 472 944 1888 3776 331603 663206 1326412 2652824 5305648 10611296 19564577 21222592 39129154 78258308 156516616 313033232 626066464 1252132928