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1315602164 = 221013256441
BaseRepresentation
bin100111001101010…
…0111111011110100
310101200112111220002
41032122213323310
510143243232124
6334313530432
744413301552
oct11632477364
93350474802
101315602164
11615694418
12308713a18
1317c73b726
14c6a22bd2
157a7730ae
hex4e6a7ef4

1315602164 has 12 divisors (see below), whose sum is σ = 2325099588. Its totient is φ = 651288000.

The previous prime is 1315602163. The next prime is 1315602179. The reversal of 1315602164 is 4612065131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1295280100 + 20322064 = 35990^2 + 4508^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315602163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627817 + ... + 1628624.

It is an arithmetic number, because the mean of its divisors is an integer number (193758299).

Almost surely, 21315602164 is an apocalyptic number.

It is an amenable number.

1315602164 is a deficient number, since it is larger than the sum of its proper divisors (1009497424).

1315602164 is a wasteful number, since it uses less digits than its factorization.

1315602164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256546 (or 3256544 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1315602164 is about 36271.2305277888. The cubic root of 1315602164 is about 1095.7417085853.

Adding to 1315602164 its reverse (4612065131), we get a palindrome (5927667295).

The spelling of 1315602164 in words is "one billion, three hundred fifteen million, six hundred two thousand, one hundred sixty-four".

Divisors: 1 2 4 101 202 404 3256441 6512882 13025764 328900541 657801082 1315602164