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5515415400 = 23352111749157
BaseRepresentation
bin1010010001011111…
…01000111101101000
3112020101020010120110
411020233220331220
542243421243100
62311142254320
7253451154165
oct51057507550
915211203513
105515415400
112380343250
12109b1273a0
1369b880411
143a470b06c
15224317250
hex148be8f68

5515415400 has 192 divisors, whose sum is σ = 19749718080. Its totient is φ = 1258393600.

The previous prime is 5515415393. The next prime is 5515415401. The reversal of 5515415400 is 45145155.

It is a super-3 number, since 3×55154154003 (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5515415401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87622 + ... + 136778.

It is an arithmetic number, because the mean of its divisors is an integer number (102863115).

Almost surely, 25515415400 is an apocalyptic number.

5515415400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515415400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9874859040).

5515415400 is an abundant number, since it is smaller than the sum of its proper divisors (14234302680).

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

5515415400 is a wasteful number, since it uses less digits than its factorization.

5515415400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49204 (or 49195 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 5515415400 is about 74265.8427542568. The cubic root of 5515415400 is about 1766.8217727037.

The spelling of 5515415400 in words is "five billion, five hundred fifteen million, four hundred fifteen thousand, four hundred".