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2173080924 = 2232713165827
BaseRepresentation
bin1000000110000110…
…1001010101011100
312121110000221121200
42001201221111130
513422302042144
6555344355500
7104564611620
oct20141512534
95543027550
102173080924
11a15713953
12507915b90
13288297b01
14168871180
15caba0c69
hex8186955c

2173080924 has 72 divisors (see below), whose sum is σ = 6325807488. Its totient is φ = 616131360.

The previous prime is 2173080859. The next prime is 2173080937. The reversal of 2173080924 is 4290803712.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 99 + ... + 65925.

Almost surely, 22173080924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2173080924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3162903744).

2173080924 is an abundant number, since it is smaller than the sum of its proper divisors (4152726564).

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

2173080924 is a wasteful number, since it uses less digits than its factorization.

2173080924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65975 (or 65970 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2173080924 is about 46616.3160706635. The cubic root of 2173080924 is about 1295.2650082021.

The spelling of 2173080924 in words is "two billion, one hundred seventy-three million, eighty thousand, nine hundred twenty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 131 252 262 393 524 786 917 1179 1572 1834 2358 2751 3668 4716 5502 8253 11004 16506 33012 65827 131654 197481 263308 394962 460789 592443 789924 921578 1184886 1382367 1843156 2369772 2764734 4147101 5529468 8294202 8623337 16588404 17246674 25870011 34493348 51740022 60363359 77610033 103480044 120726718 155220066 181090077 241453436 310440132 362180154 543270231 724360308 1086540462 2173080924