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1420972706 = 223289710663
BaseRepresentation
bin101010010110010…
…0101001010100010
310200000210220002202
41110230211022202
510402232111311
6353000213202
750133032366
oct12454451242
93600726082
101420972706
1166a11390a
12337a6a202
1319851286a
14d6a112a6
1584b38e3b
hex54b252a2

1420972706 has 16 divisors (see below), whose sum is σ = 2225107584. Its totient is φ = 679297344.

The previous prime is 1420972687. The next prime is 1420972757. The reversal of 1420972706 is 6072790241.

It is a self number, because there is not a number n which added to its sum of digits gives 1420972706.

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 7 ways as a sum of consecutive naturals, for example, 127931 + ... + 138593.

It is an arithmetic number, because the mean of its divisors is an integer number (139069224).

Almost surely, 21420972706 is an apocalyptic number.

1420972706 is a deficient number, since it is larger than the sum of its proper divisors (804134878).

1420972706 is a wasteful number, since it uses less digits than its factorization.

1420972706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13585.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1420972706 is about 37695.7916218774. The cubic root of 1420972706 is about 1124.2474521991.

The spelling of 1420972706 in words is "one billion, four hundred twenty million, nine hundred seventy-two thousand, seven hundred six".

Divisors: 1 2 23 46 2897 5794 10663 21326 66631 133262 245249 490498 30890711 61781422 710486353 1420972706