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55284308 = 2283891871
BaseRepresentation
bin1101001011100…
…1001001010100
310212000201210222
43102321021110
5103123044213
65252533512
71240623512
oct322711124
9125021728
1055284308
112922aa12
1216621298
13b5b8711
1474b14b2
154cc0808
hex34b9254

55284308 has 24 divisors (see below), whose sum is σ = 99066240. Its totient is φ = 26987840.

The previous prime is 55284263. The next prime is 55284311. The reversal of 55284308 is 80348255.

It is a super-2 number, since 2×552843082 = 6112709422077728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28613 + ... + 30483.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 255284308 is an apocalyptic number.

It is an amenable number.

55284308 is a deficient number, since it is larger than the sum of its proper divisors (43781932).

55284308 is a wasteful number, since it uses less digits than its factorization.

55284308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 55284308 is about 7435.3418213287. The cubic root of 55284308 is about 380.9493988824.

The spelling of 55284308 in words is "fifty-five million, two hundred eighty-four thousand, three hundred eight".

Divisors: 1 2 4 83 89 166 178 332 356 1871 3742 7387 7484 14774 29548 155293 166519 310586 333038 621172 666076 13821077 27642154 55284308