Search a number
-
+
169062138 = 23278811523
BaseRepresentation
bin10100001001110…
…10111011111010
3102210010020122200
422010322323322
5321234442023
624435331030
74122001350
oct1204727372
9383106580
10169062138
1187481983
1248750a76
132904448b
141864b7d0
15ec97743
hexa13aefa

169062138 has 48 divisors (see below), whose sum is σ = 419380416. Its totient is φ = 48216960.

The previous prime is 169062097. The next prime is 169062143. The reversal of 169062138 is 831260961.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110245 + ... + 111767.

It is an arithmetic number, because the mean of its divisors is an integer number (8737092).

Almost surely, 2169062138 is an apocalyptic number.

169062138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

169062138 is an abundant number, since it is smaller than the sum of its proper divisors (250318278).

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

169062138 is a wasteful number, since it uses less digits than its factorization.

169062138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 169062138 is about 13002.3897034353. The cubic root of 169062138 is about 552.9452338162.

It can be divided in two parts, 16906 and 2138, that added together give a square (19044 = 1382).

The spelling of 169062138 in words is "one hundred sixty-nine million, sixty-two thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 881 1523 1762 2643 3046 4569 5286 6167 7929 9138 10661 12334 13707 15858 18501 21322 27414 31983 37002 55503 63966 95949 111006 191898 1341763 2683526 4025289 8050578 9392341 12075867 18784682 24151734 28177023 56354046 84531069 169062138