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1420666874 = 211372816211
BaseRepresentation
bin101010010101101…
…1010011111111010
310200000020100120122
41110223122133322
510402142314444
6352545453242
750130316634
oct12453323772
93600210518
101420666874
11669a25060
12337941222
131984365b3
14d6971a54
1584ac84ee
hex54ada7fa

1420666874 has 32 divisors (see below), whose sum is σ = 2396440512. Its totient is φ = 625968000.

The previous prime is 1420666867. The next prime is 1420666901. The reversal of 1420666874 is 4786660241.

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 15 ways as a sum of consecutive naturals, for example, 225629 + ... + 231839.

It is an arithmetic number, because the mean of its divisors is an integer number (74888766).

Almost surely, 21420666874 is an apocalyptic number.

1420666874 is a deficient number, since it is larger than the sum of its proper divisors (975773638).

1420666874 is a wasteful number, since it uses less digits than its factorization.

1420666874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 1420666874 is about 37691.7348234331. The cubic root of 1420666874 is about 1124.1667901954.

The spelling of 1420666874 in words is "one billion, four hundred twenty million, six hundred sixty-six thousand, eight hundred seventy-four".

Divisors: 1 2 11 22 37 74 281 407 562 814 3091 6182 6211 10397 12422 20794 68321 114367 136642 228734 229807 459614 1745291 2527877 3490582 5055754 19198201 38396402 64575767 129151534 710333437 1420666874