Search a number
-
+
1420885873 = 111941165817
BaseRepresentation
bin101010010110000…
…1111111101110001
310200000122110222201
41110230033331301
510402221321443
6352554303201
750132221261
oct12454177561
93600573881
101420885873
1166a064650
12337a27b01
131984b2194
14d69cb7a1
1584b1d34d
hex54b0ff71

1420885873 has 16 divisors (see below), whose sum is σ = 1671445440. Its totient is φ = 1193875200.

The previous prime is 1420885861. The next prime is 1420885883. The reversal of 1420885873 is 3785880241.

It is a cyclic number.

It is not a de Polignac number, because 1420885873 - 225 = 1387331441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420885853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74340 + ... + 91477.

It is an arithmetic number, because the mean of its divisors is an integer number (104465340).

Almost surely, 21420885873 is an apocalyptic number.

It is an amenable number.

1420885873 is a deficient number, since it is larger than the sum of its proper divisors (250559567).

1420885873 is a wasteful number, since it uses less digits than its factorization.

1420885873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165888.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 1420885873 is about 37694.6398444129. The cubic root of 1420885873 is about 1124.2245515088.

The spelling of 1420885873 in words is "one billion, four hundred twenty million, eight hundred eighty-five thousand, eight hundred seventy-three".

Divisors: 1 11 19 41 209 451 779 8569 165817 1823987 3150523 6798497 34655753 74783467 129171443 1420885873