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627361040 = 2457842013
BaseRepresentation
bin100101011001001…
…100010100010000
31121201111020120002
4211121030110100
52241101023130
6142130305132
721355323635
oct4531142420
91551436502
10627361040
112a21466a9
121561281a8
139cc88667
145d46a18c
153a124b45
hex2564c510

627361040 has 20 divisors (see below), whose sum is σ = 1458614604. Its totient is φ = 250944384.

The previous prime is 627361039. The next prime is 627361067. The reversal of 627361040 is 40163726.

It can be written as a sum of positive squares in 2 ways, for example, as 328624384 + 298736656 = 18128^2 + 17284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 627360994 and 627361012.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3920927 + ... + 3921086.

Almost surely, 2627361040 is an apocalyptic number.

It is an amenable number.

627361040 is an abundant number, since it is smaller than the sum of its proper divisors (831253564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

627361040 is a wasteful number, since it uses less digits than its factorization.

627361040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842026 (or 7842020 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 627361040 is about 25047.1762879571. The cubic root of 627361040 is about 856.0632395705.

The spelling of 627361040 in words is "six hundred twenty-seven million, three hundred sixty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 7842013 15684026 31368052 39210065 62736104 78420130 125472208 156840260 313680520 627361040