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68553300 = 22352228511
BaseRepresentation
bin1000001011000…
…00101001010100
311202222212110010
410011200221110
5120022201200
610445200220
71461456564
oct405405124
9152885403
1068553300
1135773122
121ab60070
13112831aa
149166da4
156042150
hex4160a54

68553300 has 36 divisors (see below), whose sum is σ = 198348416. Its totient is φ = 18280800.

The previous prime is 68553283. The next prime is 68553301. The reversal of 68553300 is 335586.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68553301) 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, 113956 + ... + 114555.

Almost surely, 268553300 is an apocalyptic number.

68553300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68553300 is an abundant number, since it is smaller than the sum of its proper divisors (129795116).

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

68553300 is a wasteful number, since it uses less digits than its factorization.

68553300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228528 (or 228521 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 68553300 is about 8279.6920232579. The cubic root of 68553300 is about 409.2695699986.

Adding to 68553300 its reverse (335586), we get a palindrome (68888886).

The spelling of 68553300 in words is "sixty-eight million, five hundred fifty-three thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 228511 457022 685533 914044 1142555 1371066 2285110 2742132 3427665 4570220 5712775 6855330 11425550 13710660 17138325 22851100 34276650 68553300