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629443028 = 222927120023
BaseRepresentation
bin100101100001001…
…000100111010100
31121212102000111202
4211201020213110
52242114134103
6142243052032
721412114604
oct4541104724
91555360452
10629443028
112a3338955
12156971018
13a05371c6
145d84cc04
153a3d6988
hex258489d4

629443028 has 24 divisors (see below), whose sum is σ = 1143770880. Its totient is φ = 302732640.

The previous prime is 629443019. The next prime is 629443051. The reversal of 629443028 is 820344926.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 629442982 and 629443000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21425 + ... + 41447.

It is an arithmetic number, because the mean of its divisors is an integer number (47657120).

Almost surely, 2629443028 is an apocalyptic number.

It is an amenable number.

629443028 is a deficient number, since it is larger than the sum of its proper divisors (514327852).

629443028 is a wasteful number, since it uses less digits than its factorization.

629443028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20327 (or 20325 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 629443028 is about 25088.7031948644. The cubic root of 629443028 is about 857.0091836570.

The spelling of 629443028 in words is "six hundred twenty-nine million, four hundred forty-three thousand, twenty-eight".

Divisors: 1 2 4 29 58 116 271 542 1084 7859 15718 20023 31436 40046 80092 580667 1161334 2322668 5426233 10852466 21704932 157360757 314721514 629443028