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1428175124 = 22357043781
BaseRepresentation
bin101010100100000…
…0011100100010100
310200112100210221222
41111020003210110
510411103100444
6353414425512
750251200605
oct12510034424
93615323858
101428175124
11673193122
1233a362298
13199b64c4c
14d7967dac
15855aceee
hex55203914

1428175124 has 6 divisors (see below), whose sum is σ = 2499306474. Its totient is φ = 714087560.

The previous prime is 1428175123. The next prime is 1428175129. The reversal of 1428175124 is 4215718241.

It can be written as a sum of positive squares in only one way, i.e., 1380122500 + 48052624 = 37150^2 + 6932^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428175123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178521887 + ... + 178521894.

It is an arithmetic number, because the mean of its divisors is an integer number (416551079).

Almost surely, 21428175124 is an apocalyptic number.

It is an amenable number.

1428175124 is a deficient number, since it is larger than the sum of its proper divisors (1071131350).

1428175124 is a wasteful number, since it uses less digits than its factorization.

1428175124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357043785 (or 357043783 counting only the distinct ones).

The product of its digits is 17920, while the sum is 35.

The square root of 1428175124 is about 37791.2043205823. The cubic root of 1428175124 is about 1126.1437254689.

The spelling of 1428175124 in words is "one billion, four hundred twenty-eight million, one hundred seventy-five thousand, one hundred twenty-four".

Divisors: 1 2 4 357043781 714087562 1428175124