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1630425346 = 211312390653
BaseRepresentation
bin110000100101110…
…0101000100000010
311012121221012002221
41201023211010002
511314342102341
6425441401254
755255246444
oct14113450402
94177835087
101630425346
11767372770
1239603922a
131cca29534
14116774494
159820ded1
hex612e5102

1630425346 has 16 divisors (see below), whose sum is σ = 2754033408. Its totient is φ = 717195600.

The previous prime is 1630425343. The next prime is 1630425353. The reversal of 1630425346 is 6435240361.

It is not an unprimeable number, because it can be changed into a prime (1630425343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194645 + ... + 1196008.

It is an arithmetic number, because the mean of its divisors is an integer number (172127088).

Almost surely, 21630425346 is an apocalyptic number.

1630425346 is a deficient number, since it is larger than the sum of its proper divisors (1123608062).

1630425346 is a wasteful number, since it uses less digits than its factorization.

1630425346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390697.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 1630425346 is about 40378.5258027085. The cubic root of 1630425346 is about 1176.9742806376.

The spelling of 1630425346 in words is "one billion, six hundred thirty million, four hundred twenty-five thousand, three hundred forty-six".

Divisors: 1 2 11 22 31 62 341 682 2390653 4781306 26297183 52594366 74110243 148220486 815212673 1630425346