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102531200 = 27521792
BaseRepresentation
bin1100001110010…
…00000010000000
321010221010100212
412013020002000
5202221444300
614101333252
72353333532
oct607100200
9233833325
10102531200
1152970232
122a407228
131831b965
14d88d852
159004935
hex61c8080

102531200 has 72 divisors (see below), whose sum is σ = 254707005. Its totient is φ = 40783360.

The previous prime is 102531161. The next prime is 102531223. The reversal of 102531200 is 2135201.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

102531200 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 2 ways, for example, as 100480576 + 2050624 = 10024^2 + 1432^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=7160.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 572711 + ... + 572889.

Almost surely, 2102531200 is an apocalyptic number.

102531200 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 102531200

102531200 is an abundant number, since it is smaller than the sum of its proper divisors (152175805).

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

102531200 is an frugal number, since it uses more digits than its factorization.

102531200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102531200 is about 10125.7691065914. The cubic root of 102531200 is about 468.0425607189.

Adding to 102531200 its reverse (2135201), we get a palindrome (104666401).

The spelling of 102531200 in words is "one hundred two million, five hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 179 200 320 358 400 640 716 800 895 1432 1600 1790 2864 3200 3580 4475 5728 7160 8950 11456 14320 17900 22912 28640 32041 35800 57280 64082 71600 114560 128164 143200 160205 256328 286400 320410 512656 572800 640820 801025 1025312 1281640 1602050 2050624 2563280 3204100 4101248 5126560 6408200 10253120 12816400 20506240 25632800 51265600 102531200