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102422404 = 227231571013
BaseRepresentation
bin1100001101011…
…01011110000100
321010201121010101
412012231132010
5202210004104
614055133444
72352401410
oct606553604
9233647111
10102422404
11528a6517
122a374284
13182b1296
14d861d40
158ed25a4
hex61ad784

102422404 has 48 divisors (see below), whose sum is σ = 215324928. Its totient is φ = 41678208.

The previous prime is 102422393. The next prime is 102422423. The reversal of 102422404 is 404224201.

It is a super-2 number, since 2×1024224042 = 20980697682278432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100602 + ... + 101614.

It is an arithmetic number, because the mean of its divisors is an integer number (4485936).

Almost surely, 2102422404 is an apocalyptic number.

102422404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102422404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107662464).

102422404 is an abundant number, since it is smaller than the sum of its proper divisors (112902524).

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

102422404 is a wasteful number, since it uses less digits than its factorization.

102422404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 102422404 is about 10120.3954468193. The cubic root of 102422404 is about 467.8769552580.

Adding to 102422404 its reverse (404224201), we get a palindrome (506646605).

The spelling of 102422404 in words is "one hundred two million, four hundred twenty-two thousand, four hundred four".

Divisors: 1 2 4 7 14 23 28 46 92 157 161 314 322 628 644 1013 1099 2026 2198 3611 4052 4396 7091 7222 14182 14444 23299 25277 28364 46598 50554 93196 101108 159041 163093 318082 326186 636164 652372 1113287 2226574 3657943 4453148 7315886 14631772 25605601 51211202 102422404