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100023433 = 433231001
BaseRepresentation
bin1011111011000…
…11110010001001
320222012201100121
411331203302021
5201101222213
613531503241
72323120336
oct575436211
9228181317
10100023433
11515080a4
12295b7b21
1317951383
14d3d998d
158bab88d
hex5f63c89

100023433 has 4 divisors (see below), whose sum is σ = 100254868. Its totient is φ = 99792000.

The previous prime is 100023397. The next prime is 100023449. The reversal of 100023433 is 334320001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334320001 = 1321253081.

It can be written as a sum of positive squares in 2 ways, for example, as 4609609 + 95413824 = 2147^2 + 9768^2 .

It is a cyclic number.

It is not a de Polignac number, because 100023433 - 225 = 66469001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100023533) 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, 115068 + ... + 115933.

It is an arithmetic number, because the mean of its divisors is an integer number (25063717).

Almost surely, 2100023433 is an apocalyptic number.

It is an amenable number.

100023433 is a deficient number, since it is larger than the sum of its proper divisors (231435).

100023433 is an equidigital number, since it uses as much as digits as its factorization.

100023433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231434.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 100023433 is about 10001.1715813699. The cubic root of 100023433 is about 464.1951359801.

Adding to 100023433 its reverse (334320001), we get a palindrome (434343434).

The spelling of 100023433 in words is "one hundred million, twenty-three thousand, four hundred thirty-three".

Divisors: 1 433 231001 100023433