Search a number
-
+
1421031832 = 231116148089
BaseRepresentation
bin101010010110011…
…0011100110011000
310200000220220012121
41110230303212120
510402241004312
6353001351024
750133366643
oct12454634630
93600826177
101421031832
1166a154280
12337a98474
1319853374c
14d6a28a5a
1584b4b707
hex54b33998

1421031832 has 16 divisors (see below), whose sum is σ = 2906656200. Its totient is φ = 645923520.

The previous prime is 1421031809. The next prime is 1421031841. The reversal of 1421031832 is 2381301241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1421031797 and 1421031806.

It is a congruent number.

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, 8073957 + ... + 8074132.

Almost surely, 21421031832 is an apocalyptic number.

It is an amenable number.

1421031832 is an abundant number, since it is smaller than the sum of its proper divisors (1485624368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421031832 is a wasteful number, since it uses less digits than its factorization.

1421031832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16148106 (or 16148102 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1421031832 is about 37696.5758657202. The cubic root of 1421031832 is about 1124.2630451172.

The spelling of 1421031832 in words is "one billion, four hundred twenty-one million, thirty-one thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 16148089 32296178 64592356 129184712 177628979 355257958 710515916 1421031832