Search a number
-
+
13013400 = 2335223241
BaseRepresentation
bin110001101001…
…000110011000
3220111011000210
4301221012120
511312412100
61142531120
7215416641
oct61510630
926434023
1013013400
117389184
124436aa0
13290834a
141a2a6c8
151220c50
hexc69198

13013400 has 144 divisors (see below), whose sum is σ = 43200360. Its totient is φ = 3238400.

The previous prime is 13013393. The next prime is 13013417. The reversal of 13013400 is 431031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 317380 + ... + 317420.

Almost surely, 213013400 is an apocalyptic number.

13013400 is a gapful number since it is divisible by the number (10) 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 13013400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21600180).

13013400 is an abundant number, since it is smaller than the sum of its proper divisors (30186960).

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

13013400 is a wasteful number, since it uses less digits than its factorization.

13013400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13013400 is about 3607.4090425124. The cubic root of 13013400 is about 235.2142304778.

Adding to 13013400 its reverse (431031), we get a palindrome (13444431).

It can be divided in two parts, 130 and 13400, that added together give a triangular number (13530 = T164).

The spelling of 13013400 in words is "thirteen million, thirteen thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 23 24 25 30 40 41 46 50 60 69 75 82 92 100 115 120 123 138 150 164 184 200 205 230 246 276 300 328 345 410 460 492 529 552 575 600 615 690 820 920 943 984 1025 1058 1150 1230 1380 1587 1640 1725 1886 2050 2116 2300 2460 2645 2760 2829 3075 3174 3450 3772 4100 4232 4600 4715 4920 5290 5658 6150 6348 6900 7544 7935 8200 9430 10580 11316 12300 12696 13225 13800 14145 15870 18860 21160 21689 22632 23575 24600 26450 28290 31740 37720 39675 43378 47150 52900 56580 63480 65067 70725 79350 86756 94300 105800 108445 113160 130134 141450 158700 173512 188600 216890 260268 282900 317400 325335 433780 520536 542225 565800 650670 867560 1084450 1301340 1626675 2168900 2602680 3253350 4337800 6506700 13013400