Search a number
-
+
102276380 = 2255113819
BaseRepresentation
bin1100001100010…
…01110100011100
321010110011211002
412012021310130
5202140321010
614052045432
72351222603
oct606116434
9233404732
10102276380
1152806838
122a303878
131825c98b
14d824a3a
158ea41a5
hex6189d1c

102276380 has 12 divisors (see below), whose sum is σ = 214780440. Its totient is φ = 40910544.

The previous prime is 102276367. The next prime is 102276457. The reversal of 102276380 is 83672201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556890 + ... + 2556929.

It is an arithmetic number, because the mean of its divisors is an integer number (17898370).

Almost surely, 2102276380 is an apocalyptic number.

102276380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102276380 is an abundant number, since it is smaller than the sum of its proper divisors (112504060).

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

102276380 is a wasteful number, since it uses less digits than its factorization.

102276380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113828 (or 5113826 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 102276380 is about 10113.1785310060. The cubic root of 102276380 is about 467.6544982037.

The spelling of 102276380 in words is "one hundred two million, two hundred seventy-six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 5113819 10227638 20455276 25569095 51138190 102276380