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4251047740 = 225271978173
BaseRepresentation
bin1111110101100001…
…1101011100111100
3101222021002121012121
43331120131130330
532201232011430
61541454412324
7210226211122
oct37530353474
911867077177
104251047740
1118916730a5
129a78010a4
1352993cc84
142c4823912
1519d314a7a
hexfd61d73c

4251047740 has 24 divisors (see below), whose sum is σ = 8930597760. Its totient is φ = 1699771968.

The previous prime is 4251047729. The next prime is 4251047743. The reversal of 4251047740 is 477401524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4251047696 and 4251047705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251047743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15294 + ... + 93466.

It is an arithmetic number, because the mean of its divisors is an integer number (372108240).

Almost surely, 24251047740 is an apocalyptic number.

It is an amenable number.

4251047740 is an abundant number, since it is smaller than the sum of its proper divisors (4679550020).

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

4251047740 is a wasteful number, since it uses less digits than its factorization.

4251047740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80901 (or 80899 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 4251047740 is about 65200.0593558012. The cubic root of 4251047740 is about 1619.9389983635.

The spelling of 4251047740 in words is "four billion, two hundred fifty-one million, forty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2719 5438 10876 13595 27190 54380 78173 156346 312692 390865 781730 1563460 212552387 425104774 850209548 1062761935 2125523870 4251047740