Search a number
-
+
13415200 = 255241409
BaseRepresentation
bin110011001011…
…001100100000
3221020120012021
4303023030200
511413241300
61155311224
7222012241
oct63131440
927216167
1013415200
117633047
1245ab514
132a191b6
141ad2cc8
15129ed1a
hexccb320

13415200 has 72 divisors (see below), whose sum is σ = 33630660. Its totient is φ = 5222400.

The previous prime is 13415189. The next prime is 13415231. The reversal of 13415200 is 251431.

It can be written as a sum of positive squares in 6 ways, for example, as 4343056 + 9072144 = 2084^2 + 3012^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32596 + ... + 33004.

Almost surely, 213415200 is an apocalyptic number.

13415200 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 13415200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16815330).

13415200 is an abundant number, since it is smaller than the sum of its proper divisors (20215460).

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

13415200 is a wasteful number, since it uses less digits than its factorization.

13415200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13415200 is about 3662.6766169019. The cubic root of 13415200 is about 237.6105487198.

Adding to 13415200 its reverse (251431), we get a palindrome (13666631).

The spelling of 13415200 in words is "thirteen million, four hundred fifteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 41 50 80 82 100 160 164 200 205 328 400 409 410 656 800 818 820 1025 1312 1636 1640 2045 2050 3272 3280 4090 4100 6544 6560 8180 8200 10225 13088 16360 16400 16769 20450 32720 32800 33538 40900 65440 67076 81800 83845 134152 163600 167690 268304 327200 335380 419225 536608 670760 838450 1341520 1676900 2683040 3353800 6707600 13415200