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1428274268 = 223311078757
BaseRepresentation
bin101010100100001…
…1011110001011100
310200112112211221222
41111020123301130
510411114234033
6353420512512
750252062631
oct12510336134
93615484858
101428274268
11673250663
1233a3ab738
13199b9b105
14d7992188
15855cc598
hex5521bc5c

1428274268 has 12 divisors (see below), whose sum is σ = 2507033592. Its totient is φ = 711978960.

The previous prime is 1428274247. The next prime is 1428274271. The reversal of 1428274268 is 8624728241.

It is a super-4 number, since 4×14282742684 (a number of 38 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 538055 + ... + 540702.

It is an arithmetic number, because the mean of its divisors is an integer number (208919466).

Almost surely, 21428274268 is an apocalyptic number.

It is an amenable number.

1428274268 is a deficient number, since it is larger than the sum of its proper divisors (1078759324).

1428274268 is a wasteful number, since it uses less digits than its factorization.

1428274268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079092 (or 1079090 counting only the distinct ones).

The product of its digits is 344064, while the sum is 44.

The square root of 1428274268 is about 37792.5160316166. The cubic root of 1428274268 is about 1126.1697838535.

The spelling of 1428274268 in words is "one billion, four hundred twenty-eight million, two hundred seventy-four thousand, two hundred sixty-eight".

Divisors: 1 2 4 331 662 1324 1078757 2157514 4315028 357068567 714137134 1428274268