Search a number
-
+
173682138 = 2378115099
BaseRepresentation
bin10100101101000…
…10110111011010
3110002210222002210
422112202313122
5323430312023
625122335550
74206162630
oct1226426732
9402728083
10173682138
118a047a63
124a1ba5b6
1329ca12c6
14190d1350
15103ab593
hexa5a2dda

173682138 has 32 divisors (see below), whose sum is σ = 397555200. Its totient is φ = 49552560.

The previous prime is 173682127. The next prime is 173682143. The reversal of 173682138 is 831286371.

It is a junction number, because it is equal to n+sod(n) for n = 173682096 and 173682105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31513 + ... + 36611.

It is an arithmetic number, because the mean of its divisors is an integer number (12423600).

Almost surely, 2173682138 is an apocalyptic number.

173682138 is an abundant number, since it is smaller than the sum of its proper divisors (223873062).

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

173682138 is a wasteful number, since it uses less digits than its factorization.

173682138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5922.

The product of its digits is 48384, while the sum is 39.

The square root of 173682138 is about 13178.8519226828. The cubic root of 173682138 is about 557.9368577465.

The spelling of 173682138 in words is "one hundred seventy-three million, six hundred eighty-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 14 21 42 811 1622 2433 4866 5099 5677 10198 11354 15297 17031 30594 34062 35693 71386 107079 214158 4135289 8270578 12405867 24811734 28947023 57894046 86841069 173682138