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628413285 = 35397105527
BaseRepresentation
bin100101011101001…
…101001101100101
31121210110200222010
4211131031031211
52241333211120
6142205024433
721400265463
oct4535151545
91553420863
10628413285
112a27a5225
12156555119
13a02665a6
145d661833
153a2817e0
hex2574d365

628413285 has 16 divisors (see below), whose sum is σ = 1008003456. Its totient is φ = 334306368.

The previous prime is 628413263. The next prime is 628413287. The reversal of 628413285 is 582314826.

It is not a de Polignac number, because 628413285 - 26 = 628413221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628413287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46809 + ... + 58718.

It is an arithmetic number, because the mean of its divisors is an integer number (63000216).

Almost surely, 2628413285 is an apocalyptic number.

It is an amenable number.

628413285 is a deficient number, since it is larger than the sum of its proper divisors (379590171).

628413285 is a wasteful number, since it uses less digits than its factorization.

628413285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105932.

The product of its digits is 92160, while the sum is 39.

The square root of 628413285 is about 25068.1727495244. The cubic root of 628413285 is about 856.5415846049.

The spelling of 628413285 in words is "six hundred twenty-eight million, four hundred thirteen thousand, two hundred eighty-five".

Divisors: 1 3 5 15 397 1191 1985 5955 105527 316581 527635 1582905 41894219 125682657 209471095 628413285