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189480100 = 22525033767
BaseRepresentation
bin10110100101100…
…11110010100100
3111012112120211111
423102303302210
5342001330400
630445114404
74460361055
oct1322636244
9435476744
10189480100
1197a58227
1253558a04
1330342c04
141b24472c
151197c3ba
hexb4b3ca4

189480100 has 36 divisors (see below), whose sum is σ = 412098624. Its totient is φ = 75621280.

The previous prime is 189480023. The next prime is 189480107. The reversal of 189480100 is 1084981.

189480100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (189480107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48417 + ... + 52183.

It is an arithmetic number, because the mean of its divisors is an integer number (11447184).

Almost surely, 2189480100 is an apocalyptic number.

189480100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189480100 is an abundant number, since it is smaller than the sum of its proper divisors (222618524).

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

189480100 is a wasteful number, since it uses less digits than its factorization.

189480100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284 (or 4277 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 189480100 is about 13765.1770784106. The cubic root of 189480100 is about 574.3648689663.

The spelling of 189480100 in words is "one hundred eighty-nine million, four hundred eighty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 503 1006 2012 2515 3767 5030 7534 10060 12575 15068 18835 25150 37670 50300 75340 94175 188350 376700 1894801 3789602 7579204 9474005 18948010 37896020 47370025 94740050 189480100