Search a number
-
+
1729148044 = 221348768281
BaseRepresentation
bin110011100010000…
…1011010010001100
311110111200211012011
41213010023102030
512020130214134
6443325351004
760564341641
oct14704132214
94414624164
101729148044
11808071578
12403108464
13217313830
14125911dc8
15a1c10264
hex6710b48c

1729148044 has 24 divisors (see below), whose sum is σ = 3265518368. Its totient is φ = 796417920.

The previous prime is 1729148033. The next prime is 1729148089. The reversal of 1729148044 is 4408419271.

It is a junction number, because it is equal to n+sod(n) for n = 1729147988 and 1729148006.

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, 8817 + ... + 59464.

Almost surely, 21729148044 is an apocalyptic number.

It is an amenable number.

1729148044 is a deficient number, since it is larger than the sum of its proper divisors (1536370324).

1729148044 is a wasteful number, since it uses less digits than its factorization.

1729148044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68785 (or 68783 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1729148044 is about 41583.0259120233. The cubic root of 1729148044 is about 1200.2656920947.

The spelling of 1729148044 in words is "one billion, seven hundred twenty-nine million, one hundred forty-eight thousand, forty-four".

Divisors: 1 2 4 13 26 52 487 974 1948 6331 12662 25324 68281 136562 273124 887653 1775306 3550612 33252847 66505694 133011388 432287011 864574022 1729148044