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628418048 = 291227379
BaseRepresentation
bin100101011101001…
…110011000000000
31121210110221111112
4211131032120000
52241333334143
6142205102452
721400315406
oct4535163000
91553427445
10628418048
112a27a8865
12156557a28
13a02687cb
145d663476
153a282e18
hex2574e600

628418048 has 20 divisors (see below), whose sum is σ = 1255609740. Its totient is φ = 314208768.

The previous prime is 628417997. The next prime is 628418051. The reversal of 628418048 is 840814826.

It is a junction number, because it is equal to n+sod(n) for n = 628417996 and 628418014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613178 + ... + 614201.

It is an arithmetic number, because the mean of its divisors is an integer number (62780487).

Almost surely, 2628418048 is an apocalyptic number.

It is an amenable number.

628418048 is a deficient number, since it is larger than the sum of its proper divisors (627191692).

628418048 is an equidigital number, since it uses as much as digits as its factorization.

628418048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227397 (or 1227381 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 628418048 is about 25068.2677502854. The cubic root of 628418048 is about 856.5437486251.

The spelling of 628418048 in words is "six hundred twenty-eight million, four hundred eighteen thousand, forty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 1227379 2454758 4909516 9819032 19638064 39276128 78552256 157104512 314209024 628418048