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5145970 = 252691913
BaseRepresentation
bin10011101000010101110010
3100200102221111
4103220111302
52304132340
6302143534
761511554
oct23502562
910612844
105145970
1129a5275
121881baa
1310b236b
1497d4d4
156b9aea
hex4e8572

5145970 has 16 divisors (see below), whose sum is σ = 9302040. Its totient is φ = 2049664.

The previous prime is 5145967. The next prime is 5145971. The reversal of 5145970 is 795415.

It can be written as a sum of positive squares in 4 ways, for example, as 3884841 + 1261129 = 1971^2 + 1123^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5145971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1734 + ... + 3646.

Almost surely, 25145970 is an apocalyptic number.

5145970 is a deficient number, since it is larger than the sum of its proper divisors (4156070).

5145970 is a wasteful number, since it uses less digits than its factorization.

5145970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 5145970 is about 2268.4730547221. The cubic root of 5145970 is about 172.6456936176.

It can be divided in two parts, 51459 and 70, that added together give a square (51529 = 2272).

The spelling of 5145970 in words is "five million, one hundred forty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 269 538 1345 1913 2690 3826 9565 19130 514597 1029194 2572985 5145970