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146831200 = 2552533463
BaseRepresentation
bin10001100000001…
…11011101100000
3101020021210112121
420300013131200
5300042044300
622323034024
73432021205
oct1060073540
9336253477
10146831200
11759784aa
124120b914
132455c789
1415701cac
15cd5581a
hex8c07760

146831200 has 72 divisors (see below), whose sum is σ = 365320368. Its totient is φ = 57607680.

The previous prime is 146831173. The next prime is 146831203. The reversal of 146831200 is 2138641.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146831203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40669 + ... + 44131.

It is an arithmetic number, because the mean of its divisors is an integer number (5073894).

Almost surely, 2146831200 is an apocalyptic number.

146831200 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 146831200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182660184).

146831200 is an abundant number, since it is smaller than the sum of its proper divisors (218489168).

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

146831200 is a wasteful number, since it uses less digits than its factorization.

146831200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536 (or 3523 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 146831200 is about 12117.3924587759. The cubic root of 146831200 is about 527.5611213738.

Adding to 146831200 its reverse (2138641), we get a palindrome (148969841).

The spelling of 146831200 in words is "one hundred forty-six million, eight hundred thirty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 80 100 106 160 200 212 265 400 424 530 800 848 1060 1325 1696 2120 2650 3463 4240 5300 6926 8480 10600 13852 17315 21200 27704 34630 42400 55408 69260 86575 110816 138520 173150 183539 277040 346300 367078 554080 692600 734156 917695 1385200 1468312 1835390 2770400 2936624 3670780 4588475 5873248 7341560 9176950 14683120 18353900 29366240 36707800 73415600 146831200