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100225213 = 1112597237
BaseRepresentation
bin1011111100101…
…01000010111101
320222120222010221
411332111002331
5201124201323
613540101341
72324620534
oct576250275
9228528127
10100225213
1151635760
1229694851
13179c217a
14d44d31b
158beb55d
hex5f950bd

100225213 has 8 divisors (see below), whose sum is σ = 109438560. Its totient is φ = 91028880.

The previous prime is 100225199. The next prime is 100225231. The reversal of 100225213 is 312522001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100225213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100225253) 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, 10231 + ... + 17467.

It is an arithmetic number, because the mean of its divisors is an integer number (13679820).

Almost surely, 2100225213 is an apocalyptic number.

It is an amenable number.

100225213 is a deficient number, since it is larger than the sum of its proper divisors (9213347).

100225213 is a wasteful number, since it uses less digits than its factorization.

100225213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100225213 is about 10011.2543170174. The cubic root of 100225213 is about 464.5070708195.

Adding to 100225213 its reverse (312522001), we get a palindrome (412747214).

The spelling of 100225213 in words is "one hundred million, two hundred twenty-five thousand, two hundred thirteen".

Divisors: 1 11 1259 7237 13849 79607 9111383 100225213