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538540002 = 2387111341
BaseRepresentation
bin100000000110010…
…111011111100010
31101112100200000000
4200012113133202
52100331240002
6125234440430
716226341320
oct4006273742
91345320000
10538540002
11256aa0090
12130433116
138775a230
1451748d10
153242c61c
hex201977e2

538540002 has 288 divisors, whose sum is σ = 1666514304. Its totient is φ = 125971200.

The previous prime is 538540001. The next prime is 538540003. The reversal of 538540002 is 200045835.

It is an interprime number because it is at equal distance from previous prime (538540001) and next prime (538540003).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (538540001) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13135102 + ... + 13135142.

It is an arithmetic number, because the mean of its divisors is an integer number (5786508).

Almost surely, 2538540002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538540002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833257152).

538540002 is an abundant number, since it is smaller than the sum of its proper divisors (1127974302).

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

538540002 is a wasteful number, since it uses less digits than its factorization.

538540002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 538540002 is about 23206.4646596590. The cubic root of 538540002 is about 813.5907254797.

Adding to 538540002 its reverse (200045835), we get a palindrome (738585837).

The spelling of 538540002 in words is "five hundred thirty-eight million, five hundred forty thousand, two".