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155196 = 2234479
BaseRepresentation
bin100101111000111100
321212220000
4211320330
514431241
63154300
71214316
oct457074
9255800
10155196
11a6668
1275990
1355842
14407b6
1530eb6
hex25e3c

155196 has 30 divisors (see below), whose sum is σ = 406560. Its totient is φ = 51624.

The previous prime is 155191. The next prime is 155201. The reversal of 155196 is 691551.

It is an interprime number because it is at equal distance from previous prime (155191) and next prime (155201).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155191) by changing a digit.

155196 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 85 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (13552).

2155196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203280).

155196 is an abundant number, since it is smaller than the sum of its proper divisors (251364).

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

155196 is a wasteful number, since it uses less digits than its factorization.

155196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495 (or 484 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 155196 is about 393.9492353083. The cubic root of 155196 is about 53.7394859550.

It can be divided in two parts, 155 and 196, that added together give a triangular number (351 = T26).

The spelling of 155196 in words is "one hundred fifty-five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 479 958 1437 1916 2874 4311 5748 8622 12933 17244 25866 38799 51732 77598 155196