Search a number
-
+
104191770 = 23526912911
BaseRepresentation
bin1100011010111…
…01011100011010
321021001111020110
412031131130122
5203133114040
614201105150
72403421044
oct615353432
9237044213
10104191770
11538a4901
122aa881b6
1318780747
14dba2a94
159231980
hex635d71a

104191770 has 32 divisors (see below), whose sum is σ = 251009280. Its totient is φ = 27679040.

The previous prime is 104191729. The next prime is 104191777. The reversal of 104191770 is 77191401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104191777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1615 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (7844040).

Almost surely, 2104191770 is an apocalyptic number.

104191770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

104191770 is an abundant number, since it is smaller than the sum of its proper divisors (146817510).

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

104191770 is a wasteful number, since it uses less digits than its factorization.

104191770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13190.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 104191770 is about 10207.4369946623. The cubic root of 104191770 is about 470.5558084304. Note that the first 3 decimals are identical.

The spelling of 104191770 in words is "one hundred four million, one hundred ninety-one thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 269 538 807 1345 1614 2690 4035 8070 12911 25822 38733 64555 77466 129110 193665 387330 3473059 6946118 10419177 17365295 20838354 34730590 52095885 104191770