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5142723400 = 2352157163781
BaseRepresentation
bin1001100101000011…
…11011101101001000
3111021101221102021001
410302201323231020
541013014122100
62210150224344
7241304266453
oct46241735510
914241842231
105142723400
1121a9a2a231
12bb63550b4
1363c5b06c9
1436b01449a
15201749d6a
hex13287bb48

5142723400 has 48 divisors (see below), whose sum is σ = 12033063540. Its totient is φ = 2043974400.

The previous prime is 5142723379. The next prime is 5142723403. The reversal of 5142723400 is 43272415.

It can be written as a sum of positive squares in 6 ways, for example, as 228432996 + 4914290404 = 15114^2 + 70102^2 .

It is not an unprimeable number, because it can be changed into a prime (5142723403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50491 + ... + 113290.

Almost surely, 25142723400 is an apocalyptic number.

5142723400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5142723400 is an abundant number, since it is smaller than the sum of its proper divisors (6890340140).

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

5142723400 is a wasteful number, since it uses less digits than its factorization.

5142723400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163954 (or 163945 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 5142723400 is about 71712.7840764811. The cubic root of 5142723400 is about 1726.0937850590.

Adding to 5142723400 its reverse (43272415), we get a palindrome (5185995815).

The spelling of 5142723400 in words is "five billion, one hundred forty-two million, seven hundred twenty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 157 200 314 628 785 1256 1570 3140 3925 6280 7850 15700 31400 163781 327562 655124 818905 1310248 1637810 3275620 4094525 6551240 8189050 16378100 25713617 32756200 51427234 102854468 128568085 205708936 257136170 514272340 642840425 1028544680 1285680850 2571361700 5142723400