Search a number
-
+
530084640 = 25351104343
BaseRepresentation
bin11111100110000…
…111001100100000
31100221110002102110
4133212013030200
52041200202030
6124333315320
716064434161
oct3746071440
91327402373
10530084640
11252245488
12129635b40
1385a89767
1450587768
153180c1b0
hex1f987320

530084640 has 48 divisors (see below), whose sum is σ = 1669768128. Its totient is φ = 141355776.

The previous prime is 530084627. The next prime is 530084669. The reversal of 530084640 is 46480035.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 530084598 and 530084607.

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, 551692 + ... + 552651.

It is an arithmetic number, because the mean of its divisors is an integer number (34786836).

Almost surely, 2530084640 is an apocalyptic number.

It is an amenable number.

530084640 is an abundant number, since it is smaller than the sum of its proper divisors (1139683488).

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

530084640 is a wasteful number, since it uses less digits than its factorization.

530084640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104361 (or 1104353 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 530084640 is about 23023.5670563881. The cubic root of 530084640 is about 809.3103106470.

The spelling of 530084640 in words is "five hundred thirty million, eighty-four thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 1104343 2208686 3313029 4417372 5521715 6626058 8834744 11043430 13252116 16565145 17669488 22086860 26504232 33130290 35338976 44173720 53008464 66260580 88347440 106016928 132521160 176694880 265042320 530084640