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55302300 = 223252431429
BaseRepresentation
bin1101001011110…
…1100010011100
310212001122111100
43102331202130
5103124133200
65253153100
71241030124
oct322754234
9125048440
1055302300
1129242489
121662b790
13b5c3971
1474b7c84
154cc5d00
hex34bd89c

55302300 has 108 divisors (see below), whose sum is σ = 177497320. Its totient is φ = 14394240.

The previous prime is 55302283. The next prime is 55302307. The reversal of 55302300 is 320355.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55302307) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37986 + ... + 39414.

Almost surely, 255302300 is an apocalyptic number.

55302300 is a gapful number since it is divisible by the number (50) 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 55302300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88748660).

55302300 is an abundant number, since it is smaller than the sum of its proper divisors (122195020).

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

55302300 is a wasteful number, since it uses less digits than its factorization.

55302300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 55302300 is about 7436.5516202068. The cubic root of 55302300 is about 380.9907204221.

Adding to 55302300 its reverse (320355), we get a palindrome (55622655).

The spelling of 55302300 in words is "fifty-five million, three hundred two thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 43 45 50 60 75 86 90 100 129 150 172 180 215 225 258 300 387 430 450 516 645 774 860 900 1075 1290 1429 1548 1935 2150 2580 2858 3225 3870 4287 4300 5716 6450 7145 7740 8574 9675 12861 12900 14290 17148 19350 21435 25722 28580 35725 38700 42870 51444 61447 64305 71450 85740 107175 122894 128610 142900 184341 214350 245788 257220 307235 321525 368682 428700 553023 614470 643050 737364 921705 1106046 1228940 1286100 1536175 1843410 2212092 2765115 3072350 3686820 4608525 5530230 6144700 9217050 11060460 13825575 18434100 27651150 55302300