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130342400 = 295217599
BaseRepresentation
bin1111100010011…
…01111000000000
3100002021002011022
413301031320000
5231331424100
620533405012
73141614666
oct761157000
9302232138
10130342400
11676361a1
1237799768
13210085a6
141344cc36
15b699e85
hex7c4de00

130342400 has 120 divisors (see below), whose sum is σ = 342500400. Its totient is φ = 48988160.

The previous prime is 130342397. The next prime is 130342409. The reversal of 130342400 is 4243031.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130342409) 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, 217301 + ... + 217899.

It is an arithmetic number, because the mean of its divisors is an integer number (2854170).

Almost surely, 2130342400 is an apocalyptic number.

130342400 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 130342400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171250200).

130342400 is an abundant number, since it is smaller than the sum of its proper divisors (212158000).

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

130342400 is an equidigital number, since it uses as much as digits as its factorization.

130342400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 130342400 is about 11416.7596103273. The cubic root of 130342400 is about 507.0240630117.

Adding to 130342400 its reverse (4243031), we get a palindrome (134585431).

The spelling of 130342400 in words is "one hundred thirty million, three hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 17 20 25 32 34 40 50 64 68 80 85 100 128 136 160 170 200 256 272 320 340 400 425 512 544 599 640 680 800 850 1088 1198 1280 1360 1600 1700 2176 2396 2560 2720 2995 3200 3400 4352 4792 5440 5990 6400 6800 8704 9584 10183 10880 11980 12800 13600 14975 19168 20366 21760 23960 27200 29950 38336 40732 43520 47920 50915 54400 59900 76672 81464 95840 101830 108800 119800 153344 162928 191680 203660 217600 239600 254575 306688 325856 383360 407320 479200 509150 651712 766720 814640 958400 1018300 1303424 1533440 1629280 1916800 2036600 2606848 3258560 3833600 4073200 5213696 6517120 7667200 8146400 13034240 16292800 26068480 32585600 65171200 130342400