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100224293 = 137709561
BaseRepresentation
bin1011111100101…
…00110100100101
320222120220212212
411332110310211
5201124134133
613540053205
72324615051
oct576246445
9228526785
10100224293
1151634aa4
1229694205
13179c1920
14d44cc61
158beb148
hex5f94d25

100224293 has 4 divisors (see below), whose sum is σ = 107933868. Its totient is φ = 92514720.

The previous prime is 100224283. The next prime is 100224307. The reversal of 100224293 is 392422001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8025889 + 92198404 = 2833^2 + 9602^2 .

It is a cyclic number.

It is not a de Polignac number, because 100224293 - 24 = 100224277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100224233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854768 + ... + 3854793.

It is an arithmetic number, because the mean of its divisors is an integer number (26983467).

Almost surely, 2100224293 is an apocalyptic number.

100224293 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100224293 is a deficient number, since it is larger than the sum of its proper divisors (7709575).

100224293 is an equidigital number, since it uses as much as digits as its factorization.

100224293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7709574.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100224293 is about 10011.2083686236. The cubic root of 100224293 is about 464.5056495277.

Adding to 100224293 its reverse (392422001), we get a palindrome (492646294).

The spelling of 100224293 in words is "one hundred million, two hundred twenty-four thousand, two hundred ninety-three".

Divisors: 1 13 7709561 100224293