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1428748584 = 233311920361
BaseRepresentation
bin101010100101000…
…1111100100101000
310200120102221121020
41111022033210220
510411224423314
6353435012440
750256106524
oct12512174450
93616387536
101428748584
11673544a5a
1233a59a120
1319a005c83
14d7a76d84
1585672da9
hex5528f928

1428748584 has 32 divisors (see below), whose sum is σ = 3687095040. Its totient is φ = 460886400.

The previous prime is 1428748583. The next prime is 1428748589. The reversal of 1428748584 is 4858478241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1428748583) 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, 959437 + ... + 960924.

It is an arithmetic number, because the mean of its divisors is an integer number (115221720).

Almost surely, 21428748584 is an apocalyptic number.

It is an amenable number.

1428748584 is an abundant number, since it is smaller than the sum of its proper divisors (2258346456).

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

1428748584 is a wasteful number, since it uses less digits than its factorization.

1428748584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920401 (or 1920397 counting only the distinct ones).

The product of its digits is 2293760, while the sum is 51.

The square root of 1428748584 is about 37798.7907743092. The cubic root of 1428748584 is about 1126.2944334021.

The spelling of 1428748584 in words is "one billion, four hundred twenty-eight million, seven hundred forty-eight thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 1920361 3840722 5761083 7681444 11522166 15362888 23044332 46088664 59531191 119062382 178593573 238124764 357187146 476249528 714374292 1428748584