Search a number
-
+
102000345 = 357393151
BaseRepresentation
bin1100001010001…
…10011011011001
321002221011011120
412011012123121
5202103002340
614042115453
72345663046
oct605063331
9232834146
10102000345
1152638407
122a1abb89
1318194145
14d7921cd
158e4c4d0
hex61466d9

102000345 has 16 divisors (see below), whose sum is σ = 165437952. Its totient is φ = 53654400.

The previous prime is 102000299. The next prime is 102000359. The reversal of 102000345 is 543000201.

It is not a de Polignac number, because 102000345 - 210 = 101999321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45481 + ... + 47670.

It is an arithmetic number, because the mean of its divisors is an integer number (10339872).

Almost surely, 2102000345 is an apocalyptic number.

102000345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102000345 is a deficient number, since it is larger than the sum of its proper divisors (63437607).

102000345 is an equidigital number, since it uses as much as digits as its factorization.

102000345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93232.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 102000345 is about 10099.5220183928. The cubic root of 102000345 is about 467.2333996171.

Adding to 102000345 its reverse (543000201), we get a palindrome (645000546).

The spelling of 102000345 in words is "one hundred two million, three hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 15 73 219 365 1095 93151 279453 465755 1397265 6800023 20400069 34000115 102000345