Search a number
-
+
1729445244 = 223677212881
BaseRepresentation
bin110011100010101…
…0011110101111100
311110112020220212120
41213011103311330
512020214221434
6443340002540
760600020262
oct14705236574
94415226776
101729445244
1180825489a
12403230450
132173b8ba7
1412598c432
15a1c6d349
hex67153d7c

1729445244 has 24 divisors (see below), whose sum is σ = 4041351888. Its totient is φ = 575627520.

The previous prime is 1729445239. The next prime is 1729445273. The reversal of 1729445244 is 4425449271.

It is a junction number, because it is equal to n+sod(n) for n = 1729445196 and 1729445205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98317 + ... + 114564.

It is an arithmetic number, because the mean of its divisors is an integer number (168389662).

Almost surely, 21729445244 is an apocalyptic number.

It is an amenable number.

1729445244 is an abundant number, since it is smaller than the sum of its proper divisors (2311906644).

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

1729445244 is a wasteful number, since it uses less digits than its factorization.

1729445244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213565 (or 213563 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 1729445244 is about 41586.5993319964. The cubic root of 1729445244 is about 1200.3344539973.

The spelling of 1729445244 in words is "one billion, seven hundred twenty-nine million, four hundred forty-five thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 677 1354 2031 2708 4062 8124 212881 425762 638643 851524 1277286 2554572 144120437 288240874 432361311 576481748 864722622 1729445244