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100222404 = 22312236829
BaseRepresentation
bin1011111100101…
…00010111000100
320222120211021220
411332110113010
5201124104104
613540040340
72324606412
oct576242704
9228524256
10100222404
1151633637
12296930b0
13179c0ac9
14d44c2b2
158bea7d9
hex5f945c4

100222404 has 24 divisors (see below), whose sum is σ = 234077760. Its totient is φ = 33375264.

The previous prime is 100222373. The next prime is 100222433. The reversal of 100222404 is 404222001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11262 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (9753240).

Almost surely, 2100222404 is an apocalyptic number.

It is an amenable number.

100222404 is an abundant number, since it is smaller than the sum of its proper divisors (133855356).

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

100222404 is a wasteful number, since it uses less digits than its factorization.

100222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059 (or 8057 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 100222404 is about 10011.1140239236. The cubic root of 100222404 is about 464.5027312176.

Adding to 100222404 its reverse (404222001), we get a palindrome (504444405).

The spelling of 100222404 in words is "one hundred million, two hundred twenty-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 1223 2446 3669 4892 6829 7338 13658 14676 20487 27316 40974 81948 8351867 16703734 25055601 33407468 50111202 100222404