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100182220 = 22516573023
BaseRepresentation
bin1011111100010…
…10100011001100
320222111210011121
411332022203030
5201121312340
613535130324
72324351305
oct576124314
9228453147
10100182220
1151606426
12296739a4
13179a8728
14d43b7ac
158bdd94a
hex5f8a8cc

100182220 has 24 divisors (see below), whose sum is σ = 210579264. Its totient is φ = 40035456.

The previous prime is 100182179. The next prime is 100182221. The reversal of 100182220 is 22281001.

It is a junction number, because it is equal to n+sod(n) for n = 100182194 and 100182203.

It is not an unprimeable number, because it can be changed into a prime (100182221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31629 + ... + 34651.

It is an arithmetic number, because the mean of its divisors is an integer number (8774136).

Almost surely, 2100182220 is an apocalyptic number.

100182220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100182220 is an abundant number, since it is smaller than the sum of its proper divisors (110397044).

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

100182220 is a wasteful number, since it uses less digits than its factorization.

100182220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689 (or 4687 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 100182220 is about 10009.1068532612. The cubic root of 100182220 is about 464.4406423958.

The spelling of 100182220 in words is "one hundred million, one hundred eighty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1657 3023 3314 6046 6628 8285 12092 15115 16570 30230 33140 60460 5009111 10018222 20036444 25045555 50091110 100182220