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158004 = 223371119
BaseRepresentation
bin100110100100110100
322000202000
4212210310
520024004
63215300
71225440
oct464464
9260660
10158004
11a8790
1277530
1356bc2
1441820
1531c39
hex26934

158004 has 96 divisors (see below), whose sum is σ = 537600. Its totient is φ = 38880.

The previous prime is 158003. The next prime is 158009. The reversal of 158004 is 400851.

158004 divided by its sum of digits (18) gives a palindrome (8778).

Adding to 158004 its reverse (400851), we get a palindrome (558855).

158004 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8307 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (5600).

2158004 is an apocalyptic number.

158004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268800).

158004 is an abundant number, since it is smaller than the sum of its proper divisors (379596).

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

158004 is a wasteful number, since it uses less digits than its factorization.

158004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 158004 is about 397.4971698012. The cubic root of 158004 is about 54.0616579663.

The spelling of 158004 in words is "one hundred fifty-eight thousand, four".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 19 21 22 27 28 33 36 38 42 44 54 57 63 66 76 77 84 99 108 114 126 132 133 154 171 189 198 209 228 231 252 266 297 308 342 378 396 399 418 462 513 532 594 627 684 693 756 798 836 924 1026 1188 1197 1254 1386 1463 1596 1881 2052 2079 2394 2508 2772 2926 3591 3762 4158 4389 4788 5643 5852 7182 7524 8316 8778 11286 13167 14364 17556 22572 26334 39501 52668 79002 158004