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15235540230 = 235568989269
BaseRepresentation
bin11100011000001101…
…11110010100000110
31110022210100122010210
432030012332110012
5222200244241410
610555450300250
71046356645431
oct161406762406
943283318123
1015235540230
116509079969
122b52427686
13158a597c81
14a47618818
155e283e220
hex38c1be506

15235540230 has 32 divisors (see below), whose sum is σ = 36572133600. Its totient is φ = 4062051072.

The previous prime is 15235540223. The next prime is 15235540237. The reversal of 15235540230 is 3204553251.

It is an interprime number because it is at equal distance from previous prime (15235540223) and next prime (15235540237).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15235540237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126036 + ... + 215304.

It is an arithmetic number, because the mean of its divisors is an integer number (1142879175).

Almost surely, 215235540230 is an apocalyptic number.

15235540230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15235540230 is an abundant number, since it is smaller than the sum of its proper divisors (21336593370).

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

15235540230 is a wasteful number, since it uses less digits than its factorization.

15235540230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94968.

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 15235540230 in words is "fifteen billion, two hundred thirty-five million, five hundred forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5689 11378 17067 28445 34134 56890 85335 89269 170670 178538 267807 446345 535614 892690 1339035 2678070 507851341 1015702682 1523554023 2539256705 3047108046 5078513410 7617770115 15235540230