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3240145442 = 27328617757
BaseRepresentation
bin1100000100100000…
…1011001000100010
322100210220102221202
43001020023020202
523113434123232
61253303321202
7143202532112
oct30110131042
98323812852
103240145442
111412a83256
12765150202
133c8386631
1422a479042
1513e6cd162
hexc120b222

3240145442 has 16 divisors (see below), whose sum is σ = 4929153912. Its totient is φ = 1597115520.

The previous prime is 3240145427. The next prime is 3240145453. The reversal of 3240145442 is 2445410423.

It can be written as a sum of positive squares in 4 ways, for example, as 3163950001 + 76195441 = 56249^2 + 8729^2 .

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, 413828 + ... + 421584.

Almost surely, 23240145442 is an apocalyptic number.

3240145442 is a deficient number, since it is larger than the sum of its proper divisors (1689008470).

3240145442 is a wasteful number, since it uses less digits than its factorization.

3240145442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10693.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 3240145442 is about 56922.2754464366. The cubic root of 3240145442 is about 1479.7493856754.

Adding to 3240145442 its reverse (2445410423), we get a palindrome (5685555865).

The spelling of 3240145442 in words is "three billion, two hundred forty million, one hundred forty-five thousand, four hundred forty-two".

Divisors: 1 2 73 146 2861 5722 7757 15514 208853 417706 566261 1132522 22192777 44385554 1620072721 3240145442