Search a number
-
+
102123030 = 23511632927
BaseRepresentation
bin1100001011001…
…00011000010110
321010011101110110
412011210120112
5202120414110
614044503450
72350013532
oct605443026
9233141413
10102123030
11527115a9
122a24ab86
1318207c39
14d7c4bc2
158e73a20
hex6164616

102123030 has 32 divisors (see below), whose sum is σ = 245389824. Its totient is φ = 27200096.

The previous prime is 102123023. The next prime is 102123053. The reversal of 102123030 is 30321201.

It is a happy number.

102123030 is nontrivially palindromic in base 16.

It is a super-2 number, since 2×1021230302 = 20858226512761800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102122997 and 102123015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33427 + ... + 36353.

It is an arithmetic number, because the mean of its divisors is an integer number (7668432).

Almost surely, 2102123030 is an apocalyptic number.

102123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102123030 is an abundant number, since it is smaller than the sum of its proper divisors (143266794).

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

102123030 is a wasteful number, since it uses less digits than its factorization.

102123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 102123030 is about 10105.5939954067. The cubic root of 102123030 is about 467.4206524565.

Adding to 102123030 its reverse (30321201), we get a palindrome (132444231).

The spelling of 102123030 in words is "one hundred two million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1163 2326 2927 3489 5815 5854 6978 8781 11630 14635 17445 17562 29270 34890 43905 87810 3404101 6808202 10212303 17020505 20424606 34041010 51061515 102123030