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1420280608 = 25297114939
BaseRepresentation
bin101010010100111…
…1100001100100000
310122222111201201111
41110221330030200
510402042434413
6352533313104
750124120535
oct12451741440
93588451644
101420280608
1166979092a
12337795794
1319832c836
14d68b0d8c
1584a4dd3d
hex54a7c320

1420280608 has 24 divisors (see below), whose sum is σ = 2797305840. Its totient is φ = 709853760.

The previous prime is 1420280599. The next prime is 1420280633. The reversal of 1420280608 is 8060820241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420280608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87603 + ... + 102541.

It is an arithmetic number, because the mean of its divisors is an integer number (116554410).

Almost surely, 21420280608 is an apocalyptic number.

It is an amenable number.

1420280608 is a deficient number, since it is larger than the sum of its proper divisors (1377025232).

1420280608 is a wasteful number, since it uses less digits than its factorization.

1420280608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17920 (or 17912 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1420280608 is about 37686.6104604805. The cubic root of 1420280608 is about 1124.0648974910.

The spelling of 1420280608 in words is "one billion, four hundred twenty million, two hundred eighty thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 2971 5942 11884 14939 23768 29878 47536 59756 95072 119512 239024 478048 44383769 88767538 177535076 355070152 710140304 1420280608