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56196180 = 2235531373
BaseRepresentation
bin1101011001011…
…1110001010100
310220202001200000
43112113301110
5103341234210
65324251300
71251442155
oct326276124
9126661600
1056196180
11297a3027
12169a0b30
13b8477a1
14766b92c
154e00ac0
hex3597c54

56196180 has 144 divisors (see below), whose sum is σ = 182966784. Its totient is φ = 14463360.

The previous prime is 56196163. The next prime is 56196181. The reversal of 56196180 is 8169165.

56196180 is a `hidden beast` number, since 561 + 96 + 1 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56196181) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150474 + ... + 150846.

Almost surely, 256196180 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 56196180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91483392).

56196180 is an abundant number, since it is smaller than the sum of its proper divisors (126770604).

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

56196180 is a wasteful number, since it uses less digits than its factorization.

56196180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 56196180 is about 7496.4111413396. The cubic root of 56196180 is about 383.0324763913.

The spelling of 56196180 in words is "fifty-six million, one hundred ninety-six thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 31 36 45 54 60 62 81 90 93 108 124 135 155 162 180 186 243 270 279 310 324 372 373 405 465 486 540 558 620 746 810 837 930 972 1116 1119 1215 1395 1492 1620 1674 1860 1865 2238 2430 2511 2790 3348 3357 3730 4185 4476 4860 5022 5580 5595 6714 7460 7533 8370 10044 10071 11190 11563 12555 13428 15066 16740 16785 20142 22380 23126 25110 30132 30213 33570 34689 37665 40284 46252 50220 50355 57815 60426 67140 69378 75330 90639 100710 104067 115630 120852 138756 150660 151065 173445 181278 201420 208134 231260 302130 312201 346890 362556 416268 453195 520335 604260 624402 693780 906390 936603 1040670 1248804 1561005 1812780 1873206 2081340 2809809 3122010 3746412 4683015 5619618 6244020 9366030 11239236 14049045 18732060 28098090 56196180