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130404400 = 2452746573
BaseRepresentation
bin1111100010111…
…01000000110000
3100002101020012121
413301131000300
5231340420100
620535004024
73142263520
oct761350060
9302336177
10130404400
1167678835
1237809614
132102a889
1413467680
15b6ad51a
hex7c5d030

130404400 has 60 divisors (see below), whose sum is σ = 358060912. Its totient is φ = 44709120.

The previous prime is 130404361. The next prime is 130404403. The reversal of 130404400 is 4404031.

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

It is not an unprimeable number, because it can be changed into a prime (130404403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20487 + ... + 26086.

Almost surely, 2130404400 is an apocalyptic number.

130404400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130404400 is an abundant number, since it is smaller than the sum of its proper divisors (227656512).

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

130404400 is a wasteful number, since it uses less digits than its factorization.

130404400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46598 (or 46587 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 130404400 is about 11419.4745938681. The cubic root of 130404400 is about 507.1044423534.

Adding to 130404400 its reverse (4404031), we get a palindrome (134808431).

The spelling of 130404400 in words is "one hundred thirty million, four hundred four thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1400 2800 46573 93146 186292 232865 326011 372584 465730 652022 745168 931460 1164325 1304044 1630055 1862920 2328650 2608088 3260110 3725840 4657300 5216176 6520220 8150275 9314600 13040440 16300550 18629200 26080880 32601100 65202200 130404400