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100031307 = 3163204563
BaseRepresentation
bin1011111011001…
…01101101001011
320222020010011020
411331211231023
5201102000212
613532003523
72323152315
oct575455513
9228203136
10100031307
1151513002
12296005a3
1317954b2c
14d3dc7b5
158badd8c
hex5f65b4b

100031307 has 8 divisors (see below), whose sum is σ = 134193984. Its totient is φ = 66278088.

The previous prime is 100031303. The next prime is 100031377. The reversal of 100031307 is 703130001.

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

It is not a de Polignac number, because 100031307 - 22 = 100031303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100031303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101793 + ... + 102770.

It is an arithmetic number, because the mean of its divisors is an integer number (16774248).

Almost surely, 2100031307 is an apocalyptic number.

100031307 is a deficient number, since it is larger than the sum of its proper divisors (34162677).

100031307 is a wasteful number, since it uses less digits than its factorization.

100031307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204729.

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 100031307 is about 10001.5652275031. The cubic root of 100031307 is about 464.2073163812.

Adding to 100031307 its reverse (703130001), we get a palindrome (803161308).

The spelling of 100031307 in words is "one hundred million, thirty-one thousand, three hundred seven".

Divisors: 1 3 163 489 204563 613689 33343769 100031307