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1420656824 = 232310877103
BaseRepresentation
bin101010010101101…
…1000000010111000
310200000012211210102
41110223120002320
510402142004244
6352545334532
750130245426
oct12453300270
93600184712
101420656824
11669a18554
12337937448
13198431b52
14d696c116
1584ac554e
hex54ad80b8

1420656824 has 32 divisors (see below), whose sum is σ = 2782494720. Its totient is φ = 678723936.

The previous prime is 1420656823. The next prime is 1420656851. The reversal of 1420656824 is 4286560241.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420656823) by changing a digit.

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, 196457 + ... + 203559.

It is an arithmetic number, because the mean of its divisors is an integer number (86952960).

Almost surely, 21420656824 is an apocalyptic number.

It is an amenable number.

1420656824 is a deficient number, since it is larger than the sum of its proper divisors (1361837896).

1420656824 is a wasteful number, since it uses less digits than its factorization.

1420656824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8219 (or 8215 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 1420656824 is about 37691.6015048446. The cubic root of 1420656824 is about 1124.1641393505.

It can be divided in two parts, 14206 and 56824, that multiplied together give a square (807241744 = 284122).

The spelling of 1420656824 in words is "one billion, four hundred twenty million, six hundred fifty-six thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 23 46 92 184 1087 2174 4348 7103 8696 14206 25001 28412 50002 56824 100004 163369 200008 326738 653476 1306952 7720961 15441922 30883844 61767688 177582103 355164206 710328412 1420656824