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530420055 = 351119712383
BaseRepresentation
bin11111100111011…
…001000101010111
31100222002010112020
4133213121011113
52041241420210
6124344424223
716100332104
oct3747310527
91328063466
10530420055
11252454490
12129778073
1385b76329
1450633aab
1531876770
hex1f9d9157

530420055 has 64 divisors (see below), whose sum is σ = 988692480. Its totient is φ = 240105600.

The previous prime is 530420021. The next prime is 530420081. The reversal of 530420055 is 550024035.

It is not a de Polignac number, because 530420055 - 215 = 530387287 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221394 + ... + 223776.

It is an arithmetic number, because the mean of its divisors is an integer number (15448320).

Almost surely, 2530420055 is an apocalyptic number.

530420055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

530420055 is a deficient number, since it is larger than the sum of its proper divisors (458272425).

530420055 is a wasteful number, since it uses less digits than its factorization.

530420055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 530420055 is about 23030.8500711546. The cubic root of 530420055 is about 809.4809736962.

The spelling of 530420055 in words is "five hundred thirty million, four hundred twenty thousand, fifty-five".

Divisors: 1 3 5 11 15 19 33 55 57 71 95 165 209 213 285 355 627 781 1045 1065 1349 2343 2383 3135 3905 4047 6745 7149 11715 11915 14839 20235 26213 35745 44517 45277 74195 78639 131065 135831 169193 222585 226385 393195 498047 507579 679155 845965 1494141 1861123 2490235 2537895 3214667 5583369 7470705 9305615 9644001 16073335 27916845 35361337 48220005 106084011 176806685 530420055