Search a number
-
+
158482640 = 2453795227
BaseRepresentation
bin10010111001001…
…00000011010000
3102001012202022102
421130210003100
5311032421030
623420455532
73633036341
oct1134440320
9361182272
10158482640
1181506398
12450aa5a8
1326aabc14
14170960c8
15dda7c45
hex97240d0

158482640 has 40 divisors (see below), whose sum is σ = 369515040. Its totient is φ = 63213696.

The previous prime is 158482609. The next prime is 158482669. The reversal of 158482640 is 46284851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 158482594 and 158482603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27707 + ... + 32933.

It is an arithmetic number, because the mean of its divisors is an integer number (9237876).

Almost surely, 2158482640 is an apocalyptic number.

158482640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158482640 is an abundant number, since it is smaller than the sum of its proper divisors (211032400).

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

158482640 is a wasteful number, since it uses less digits than its factorization.

158482640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5619 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 158482640 is about 12588.9888394581. The cubic root of 158482640 is about 541.1619242356.

The spelling of 158482640 in words is "one hundred fifty-eight million, four hundred eighty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 379 758 1516 1895 3032 3790 5227 6064 7580 10454 15160 20908 26135 30320 41816 52270 83632 104540 209080 418160 1981033 3962066 7924132 9905165 15848264 19810330 31696528 39620660 79241320 158482640