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55498230 = 2335205549
BaseRepresentation
bin1101001110110…
…1010111110110
310212102121021000
43103231113312
5103201420410
65301304130
71242504264
oct323552766
9125377230
1055498230
1129366707
1216705046
13b661bb8
147529434
154d13dc0
hex34ed5f6

55498230 has 32 divisors (see below), whose sum is σ = 147996000. Its totient is φ = 14799456.

The previous prime is 55498229. The next prime is 55498231. The reversal of 55498230 is 3289455.

55498230 is a `hidden beast` number, since 5 + 549 + 82 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (55498229) and next prime (55498231).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55498231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102505 + ... + 103044.

It is an arithmetic number, because the mean of its divisors is an integer number (4624875).

Almost surely, 255498230 is an apocalyptic number.

55498230 is an abundant number, since it is smaller than the sum of its proper divisors (92497770).

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

55498230 is a wasteful number, since it uses less digits than its factorization.

55498230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205565 (or 205559 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 55498230 is about 7449.7134173067. The cubic root of 55498230 is about 381.4401262574.

The spelling of 55498230 in words is "fifty-five million, four hundred ninety-eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 205549 411098 616647 1027745 1233294 1849941 2055490 3083235 3699882 5549823 6166470 9249705 11099646 18499410 27749115 55498230