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1425993608 = 23134792
BaseRepresentation
bin101010011111110…
…1110111110001000
310200101020222111002
41110333232332020
510410023243413
6353255554132
750223513524
oct12477567610
93611228432
101425993608
11671a33116
1233968b948
13199580000
14d755ad84
15852cb958
hex54feef88

1425993608 has 60 divisors (see below), whose sum is σ = 2933670915. Its totient is φ = 649819872.

The previous prime is 1425993589. The next prime is 1425993617. The reversal of 1425993608 is 8063995241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 24964 + 1425968644 = 158^2 + 37762^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=26702.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18050513 + ... + 18050591.

Almost surely, 21425993608 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 1425993608

1425993608 is an abundant number, since it is smaller than the sum of its proper divisors (1507677307).

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

1425993608 is an frugal number, since it uses more digits than its factorization.

1425993608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1425993608 is about 37762.3305424864. The cubic root of 1425993608 is about 1125.5700440777.

The spelling of 1425993608 in words is "one billion, four hundred twenty-five million, nine hundred ninety-three thousand, six hundred eight".

Divisors: 1 2 4 8 13 26 52 79 104 158 169 316 338 632 676 1027 1352 2054 2197 4108 4394 6241 8216 8788 12482 13351 17576 24964 26702 28561 49928 53404 57122 81133 106808 114244 162266 173563 228488 324532 347126 649064 694252 1054729 1388504 2109458 2256319 4218916 4512638 8437832 9025276 13711477 18050552 27422954 54845908 109691816 178249201 356498402 712996804 1425993608