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100012423 = 714287489
BaseRepresentation
bin1011111011000…
…01000110000111
320222012011020211
411331201012013
5201100344143
613531340251
72323043260
oct575410607
9228164224
10100012423
11514aa8a5
12295b1687
1317949364
14d3d5967
158ba849d
hex5f61187

100012423 has 4 divisors (see below), whose sum is σ = 114299920. Its totient is φ = 85724928.

The previous prime is 100012421. The next prime is 100012457. The reversal of 100012423 is 324210001.

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

It is a cyclic number.

It is not a de Polignac number, because 100012423 - 21 = 100012421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012421) 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, 7143738 + ... + 7143751.

It is an arithmetic number, because the mean of its divisors is an integer number (28574980).

Almost surely, 2100012423 is an apocalyptic number.

100012423 is a deficient number, since it is larger than the sum of its proper divisors (14287497).

100012423 is an equidigital number, since it uses as much as digits as its factorization.

100012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287496.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100012423 is about 10000.6211307098. The cubic root of 100012423 is about 464.1781033848.

Adding to 100012423 its reverse (324210001), we get a palindrome (424222424).

The spelling of 100012423 in words is "one hundred million, twelve thousand, four hundred twenty-three".

Divisors: 1 7 14287489 100012423