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148986 = 2333189
BaseRepresentation
bin100100010111111010
321120101000
4210113322
514231421
63105430
71160235
oct442772
9246330
10148986
11a1a32
1272276
1352a76
143c41c
152e226
hex245fa

148986 has 32 divisors (see below), whose sum is σ = 345600. Its totient is φ = 47520.

The previous prime is 148961. The next prime is 148991. The reversal of 148986 is 689841.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 148986.

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, 1630 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2148986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172800).

148986 is an abundant number, since it is smaller than the sum of its proper divisors (196614).

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

148986 is a wasteful number, since it uses less digits than its factorization.

148986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 148986 is about 385.9870464148. The cubic root of 148986 is about 53.0129314595.

The spelling of 148986 in words is "one hundred forty-eight thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 31 54 62 89 93 178 186 267 279 534 558 801 837 1602 1674 2403 2759 4806 5518 8277 16554 24831 49662 74493 148986