[go: up one dir, main page]

Search a number
-
+
102230625 = 35477789
BaseRepresentation
bin1100001011111…
…10101001100001
321010100212001110
412011332221201
5202132340000
614051053533
72350642320
oct605765141
9233325043
10102230625
1152785422
122a2a12a9
1318244bc3
14d8120b7
158e95850
hex617ea61

102230625 has 40 divisors (see below), whose sum is σ = 194687680. Its totient is φ = 46728000.

The previous prime is 102230617. The next prime is 102230627. The reversal of 102230625 is 526032201.

It is not a de Polignac number, because 102230625 - 23 = 102230617 is a prime.

It is a super-2 number, since 2×1022306252 = 20902201375781250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (102230627) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9231 + ... + 17019.

It is an arithmetic number, because the mean of its divisors is an integer number (4867192).

Almost surely, 2102230625 is an apocalyptic number.

102230625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102230625 is a deficient number, since it is larger than the sum of its proper divisors (92457055).

102230625 is an frugal number, since it uses more digits than its factorization.

102230625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7819 (or 7804 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 102230625 is about 10110.9161305987. The cubic root of 102230625 is about 467.5847501895.

Adding to 102230625 its reverse (526032201), we get a palindrome (628262826).

The spelling of 102230625 in words is "one hundred two million, two hundred thirty thousand, six hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 125 175 375 525 625 875 1875 2625 4375 7789 13125 23367 38945 54523 116835 163569 194725 272615 584175 817845 973625 1363075 2920875 4089225 4868125 6815375 14604375 20446125 34076875 102230625