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4000180530 = 235596137049
BaseRepresentation
bin1110111001101101…
…1110100100110010
3101022210001020002110
43232123132210302
531143021234110
61500533430150
7201061654623
oct35633364462
911283036073
104000180530
111772aa7925
1293779b356
134b9985938
1429d39da4a
151862ada20
hexee6de932

4000180530 has 64 divisors (see below), whose sum is σ = 9923472000. Its totient is φ = 1031416320.

The previous prime is 4000180477. The next prime is 4000180537. The reversal of 4000180530 is 350810004.

It is a junction number, because it is equal to n+sod(n) for n = 4000180497 and 4000180506.

It is not an unprimeable number, because it can be changed into a prime (4000180537) 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 31 ways as a sum of consecutive naturals, for example, 89446 + ... + 126494.

It is an arithmetic number, because the mean of its divisors is an integer number (155054250).

Almost surely, 24000180530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4000180530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4961736000).

4000180530 is an abundant number, since it is smaller than the sum of its proper divisors (5923291470).

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

4000180530 is a wasteful number, since it uses less digits than its factorization.

4000180530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37179.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4000180530 is about 63246.9804022295. The cubic root of 4000180530 is about 1587.4249327349.

Adding to 4000180530 its reverse (350810004), we get a palindrome (4350990534).

The spelling of 4000180530 in words is "four billion, one hundred eighty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 61 118 122 177 183 295 305 354 366 590 610 885 915 1770 1830 3599 7198 10797 17995 21594 35990 37049 53985 74098 107970 111147 185245 222294 370490 555735 1111470 2185891 2259989 4371782 4519978 6557673 6779967 10929455 11299945 13115346 13559934 21858910 22599890 32788365 33899835 65576730 67799670 133339351 266678702 400018053 666696755 800036106 1333393510 2000090265 4000180530