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55104973 = 7112174389
BaseRepresentation
bin1101001000110…
…1010111001101
310211200121210221
43102031113031
5103101324343
65245031341
71236245620
oct322152715
9124617727
1055104973
1129118200
1216555551
13b554bc1
147465db7
154c875ed
hex348d5cd

55104973 has 48 divisors (see below), whose sum is σ = 75841920. Its totient is φ = 39029760.

The previous prime is 55104967. The next prime is 55104977. The reversal of 55104973 is 37940155.

It is a de Polignac number, because none of the positive numbers 2k-55104973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55104977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619113 + ... + 619201.

It is an arithmetic number, because the mean of its divisors is an integer number (1580040).

Almost surely, 255104973 is an apocalyptic number.

It is an amenable number.

55104973 is a deficient number, since it is larger than the sum of its proper divisors (20736947).

55104973 is a wasteful number, since it uses less digits than its factorization.

55104973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 55104973 is about 7423.2723916074. The cubic root of 55104973 is about 380.5370361500.

The spelling of 55104973 in words is "fifty-five million, one hundred four thousand, nine hundred seventy-three".

Divisors: 1 7 11 17 43 77 89 119 121 187 301 473 623 731 847 979 1309 1513 2057 3311 3827 5117 5203 6853 8041 10591 10769 14399 16643 26789 36421 42097 56287 65059 75383 88451 116501 183073 294679 455413 463067 619157 715649 1281511 3241469 5009543 7872139 55104973