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627691106 = 271910921649
BaseRepresentation
bin100101011010011…
…100111001100010
31121202010000022202
4211122130321202
52241142103411
6142141333202
721361200140
oct4532347142
91552100282
10627691106
112a2351689
12156267202
13a0072973
145d514590
153a18c83b
hex2569ce62

627691106 has 32 divisors (see below), whose sum is σ = 1143120000. Its totient is φ = 252502272.

The previous prime is 627691067. The next prime is 627691111. The reversal of 627691106 is 601196726.

627691106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6276911062 = 787992249103006472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 627691106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18170 + ... + 39818.

It is an arithmetic number, because the mean of its divisors is an integer number (35722500).

Almost surely, 2627691106 is an apocalyptic number.

627691106 is a deficient number, since it is larger than the sum of its proper divisors (515428894).

627691106 is a wasteful number, since it uses less digits than its factorization.

627691106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21786.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 627691106 is about 25053.7643079837. The cubic root of 627691106 is about 856.2133433719.

The spelling of 627691106 in words is "six hundred twenty-seven million, six hundred ninety-one thousand, one hundred six".

Divisors: 1 2 7 14 19 38 109 133 218 266 763 1526 2071 4142 14497 21649 28994 43298 151543 303086 411331 822662 2359741 2879317 4719482 5758634 16518187 33036374 44835079 89670158 313845553 627691106