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16220053 = 19853687
BaseRepresentation
bin111101110111…
…111110010101
31010112001201201
4331313332111
513123020203
61335352501
7254603533
oct75677625
933461651
1016220053
119179403
125522731
13348ba85
142223153
151655e1d
hexf77f95

16220053 has 4 divisors (see below), whose sum is σ = 17073760. Its totient is φ = 15366348.

The previous prime is 16219981. The next prime is 16220069. The reversal of 16220053 is 35002261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16220053 - 213 = 16211861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 853687 = 16220053 / (1 + 6 + 2 + 2 + 0 + 0 + 5 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16220053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16220093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426825 + ... + 426862.

It is an arithmetic number, because the mean of its divisors is an integer number (4268440).

Almost surely, 216220053 is an apocalyptic number.

It is an amenable number.

16220053 is a deficient number, since it is larger than the sum of its proper divisors (853707).

16220053 is an equidigital number, since it uses as much as digits as its factorization.

16220053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853706.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 16220053 is about 4027.4126930326. The cubic root of 16220053 is about 253.1341599693.

The spelling of 16220053 in words is "sixteen million, two hundred twenty thousand, fifty-three".

Divisors: 1 19 853687 16220053