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230501715 = 35294312323
BaseRepresentation
bin11011011110100…
…10110101010011
3121001201200220120
431233102311103
5433002023330
634512241323
75466142443
oct1557226523
9531650816
10230501715
11109126394
1265240243
13389a6762
1422882123
1515381c10
hexdbd2d53

230501715 has 32 divisors (see below), whose sum is σ = 390424320. Its totient is φ = 115925376.

The previous prime is 230501681. The next prime is 230501741. The reversal of 230501715 is 517105032.

It is not a de Polignac number, because 230501715 - 28 = 230501459 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12544 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (12200760).

Almost surely, 2230501715 is an apocalyptic number.

230501715 is a deficient number, since it is larger than the sum of its proper divisors (159922605).

230501715 is a wasteful number, since it uses less digits than its factorization.

230501715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12403.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 230501715 is about 15182.2829311010. The cubic root of 230501715 is about 613.1377469525.

Adding to 230501715 its reverse (517105032), we get a palindrome (747606747).

It can be divided in two parts, 2305017 and 15, that added together give a palindrome (2305032).

The spelling of 230501715 in words is "two hundred thirty million, five hundred one thousand, seven hundred fifteen".

Divisors: 1 3 5 15 29 43 87 129 145 215 435 645 1247 3741 6235 12323 18705 36969 61615 184845 357367 529889 1072101 1589667 1786835 2649445 5360505 7948335 15366781 46100343 76833905 230501715