Search a number
-
+
1920600428 = 221637293311
BaseRepresentation
bin111001001111010…
…0000100101101100
311221211221121111012
41302132200211230
512413133203203
6514325044352
765410556105
oct16236404554
94854847435
101920600428
118a614658a
124572566b8
13247b97376
1414310b3ac
15b392bbd8
hex727a096c

1920600428 has 12 divisors (see below), whose sum is σ = 3363115392. Its totient is φ = 959710320.

The previous prime is 1920600413. The next prime is 1920600431. The reversal of 1920600428 is 8240060291.

It is a junction number, because it is equal to n+sod(n) for n = 1920600394 and 1920600403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140108 + ... + 153203.

It is an arithmetic number, because the mean of its divisors is an integer number (280259616).

Almost surely, 21920600428 is an apocalyptic number.

It is an amenable number.

1920600428 is a deficient number, since it is larger than the sum of its proper divisors (1442514964).

1920600428 is a wasteful number, since it uses less digits than its factorization.

1920600428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294952 (or 294950 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1920600428 is about 43824.6554806766. The cubic root of 1920600428 is about 1243.0225492533.

The spelling of 1920600428 in words is "one billion, nine hundred twenty million, six hundred thousand, four hundred twenty-eight".

Divisors: 1 2 4 1637 3274 6548 293311 586622 1173244 480150107 960300214 1920600428