Search a number
-
+
100928900 = 22521009289
BaseRepresentation
bin1100000010000…
…00110110000100
321000220201102102
412001000312010
5201314211100
614003131232
72333611232
oct601006604
9230821372
10100928900
1151a76416
1229973b18
1317baa557
14d593952
158cd9cd5
hex6040d84

100928900 has 18 divisors (see below), whose sum is σ = 219015930. Its totient is φ = 40371520.

The previous prime is 100928897. The next prime is 100928909. The reversal of 100928900 is 9829001.

It can be written as a sum of positive squares in 3 ways, for example, as 5827396 + 95101504 = 2414^2 + 9752^2 .

It is not an unprimeable number, because it can be changed into a prime (100928909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504545 + ... + 504744.

Almost surely, 2100928900 is an apocalyptic number.

100928900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100928900 is an abundant number, since it is smaller than the sum of its proper divisors (118087030).

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

100928900 is a wasteful number, since it uses less digits than its factorization.

100928900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009303 (or 1009296 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 100928900 is about 10046.3376411506. The cubic root of 100928900 is about 465.5916467859.

The spelling of 100928900 in words is "one hundred million, nine hundred twenty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1009289 2018578 4037156 5046445 10092890 20185780 25232225 50464450 100928900