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1630623046 = 213731376271
BaseRepresentation
bin110000100110001…
…0101010101000110
311012122022020022011
41201030111111012
511314414414141
6425445524434
755260032023
oct14114252506
94178266264
101630623046
11767498258
1239611371a
131cca98510
141167c654a
159824c881
hex61315546

1630623046 has 32 divisors (see below), whose sum is σ = 2690085888. Its totient is φ = 736750080.

The previous prime is 1630623031. The next prime is 1630623047. The reversal of 1630623046 is 6403260361.

It is a junction number, because it is equal to n+sod(n) for n = 1630622999 and 1630623017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630623047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256891 + ... + 263161.

It is an arithmetic number, because the mean of its divisors is an integer number (84065184).

Almost surely, 21630623046 is an apocalyptic number.

1630623046 is a deficient number, since it is larger than the sum of its proper divisors (1059462842).

1630623046 is a wasteful number, since it uses less digits than its factorization.

1630623046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1630623046 is about 40380.9738119328. The cubic root of 1630623046 is about 1177.0218507214.

The spelling of 1630623046 in words is "one billion, six hundred thirty million, six hundred twenty-three thousand, forty-six".

Divisors: 1 2 13 26 73 137 146 274 949 1781 1898 3562 6271 10001 12542 20002 81523 130013 163046 260026 457783 859127 915566 1718254 5951179 11168651 11902358 22337302 62716271 125432542 815311523 1630623046