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2015208230 = 25728788689
BaseRepresentation
bin111100000011101…
…1010001100100110
312012102222011222212
41320013122030212
513111343130410
6531544523422
7100636662440
oct17007321446
95172864885
102015208230
11944594852
12482a80572
13261670709
141518d7490
15bbdb8b05
hex781da326

2015208230 has 16 divisors (see below), whose sum is σ = 4145571360. Its totient is φ = 690928512.

The previous prime is 2015208199. The next prime is 2015208253. The reversal of 2015208230 is 328025102.

It is a super-2 number, since 2×20152082302 = 8122128420519465800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2015208196 and 2015208205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14394275 + ... + 14394414.

It is an arithmetic number, because the mean of its divisors is an integer number (259098210).

Almost surely, 22015208230 is an apocalyptic number.

2015208230 is an abundant number, since it is smaller than the sum of its proper divisors (2130363130).

2015208230 is a wasteful number, since it uses less digits than its factorization.

2015208230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28788703.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2015208230 is about 44891.0707156780. The cubic root of 2015208230 is about 1263.1065174513.

The spelling of 2015208230 in words is "two billion, fifteen million, two hundred eight thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 28788689 57577378 143943445 201520823 287886890 403041646 1007604115 2015208230