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130405200 = 24352271401
BaseRepresentation
bin1111100010111…
…01001101010000
3100002101021022020
413301131031100
5231340431300
620535011440
73142266042
oct761351520
9302337266
10130405200
11676793a2
1237809b80
132102b053
1413467a92
15b6ad8a0
hex7c5d350

130405200 has 120 divisors (see below), whose sum is σ = 420318336. Its totient is φ = 34560000.

The previous prime is 130405169. The next prime is 130405211. The reversal of 130405200 is 2504031.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 130405200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 325000 + ... + 325400.

Almost surely, 2130405200 is an apocalyptic number.

130405200 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 130405200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210159168).

130405200 is an abundant number, since it is smaller than the sum of its proper divisors (289913136).

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

130405200 is a wasteful number, since it uses less digits than its factorization.

130405200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 130405200 is about 11419.5096216957. The cubic root of 130405200 is about 507.1054793397.

Adding to 130405200 its reverse (2504031), we get a palindrome (132909231).

The spelling of 130405200 in words is "one hundred thirty million, four hundred five thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 271 300 400 401 542 600 802 813 1084 1200 1203 1355 1604 1626 2005 2168 2406 2710 3208 3252 4010 4065 4336 4812 5420 6015 6416 6504 6775 8020 8130 9624 10025 10840 12030 13008 13550 16040 16260 19248 20050 20325 21680 24060 27100 30075 32080 32520 40100 40650 48120 54200 60150 65040 80200 81300 96240 108400 108671 120300 160400 162600 217342 240600 325200 326013 434684 481200 543355 652026 869368 1086710 1304052 1630065 1738736 2173420 2608104 2716775 3260130 4346840 5216208 5433550 6520260 8150325 8693680 10867100 13040520 16300650 21734200 26081040 32601300 43468400 65202600 130405200