Search a number
-
+
213179120 = 24571134607
BaseRepresentation
bin11001011010011…
…01101011110000
3112212010121202222
430231031223300
5414033212440
633053100212
75165664320
oct1455155360
9485117688
10213179120
11aa3746a0
125b487668
133521cbbb
1420453280
1513aae2b5
hexcb4daf0

213179120 has 80 divisors (see below), whose sum is σ = 617960448. Its totient is φ = 66443520.

The previous prime is 213179117. The next prime is 213179137. The reversal of 213179120 is 21971312.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 213179120.

It is a congruent number.

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, 11144 + ... + 23463.

Almost surely, 2213179120 is an apocalyptic number.

213179120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213179120 is an abundant number, since it is smaller than the sum of its proper divisors (404781328).

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

213179120 is a wasteful number, since it uses less digits than its factorization.

213179120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34638 (or 34632 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 213179120 is about 14600.6547798378. The cubic root of 213179120 is about 597.3766205919.

The spelling of 213179120 in words is "two hundred thirteen million, one hundred seventy-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 35 40 44 55 56 70 77 80 88 110 112 140 154 176 220 280 308 385 440 560 616 770 880 1232 1540 3080 6160 34607 69214 138428 173035 242249 276856 346070 380677 484498 553712 692140 761354 968996 1211245 1384280 1522708 1903385 1937992 2422490 2664739 2768560 3045416 3806770 3875984 4844980 5329478 6090832 7613540 9689960 10658956 13323695 15227080 19379920 21317912 26647390 30454160 42635824 53294780 106589560 213179120