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100143413 = 172373929
BaseRepresentation
bin1011111100000…
…01000100110101
320222102210221022
411332001010311
5201114042123
613534230525
72324130206
oct576010465
9228383838
10100143413
115158a257
1229655445
1317993b76
14d42b5ad
158bd21c8
hex5f81135

100143413 has 12 divisors (see below), whose sum is σ = 106780740. Its totient is φ = 93898752.

The previous prime is 100143397. The next prime is 100143457. The reversal of 100143413 is 314341001.

It can be written as a sum of positive squares in 6 ways, for example, as 3364 + 100140049 = 58^2 + 10007^2 .

It is not a de Polignac number, because 100143413 - 24 = 100143397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 100143391 and 100143400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100143313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107333 + ... + 108261.

It is an arithmetic number, because the mean of its divisors is an integer number (8898395).

Almost surely, 2100143413 is an apocalyptic number.

It is an amenable number.

100143413 is a deficient number, since it is larger than the sum of its proper divisors (6637327).

100143413 is an equidigital number, since it uses as much as digits as its factorization.

100143413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 100143413 is about 10007.1680809308. The cubic root of 100143413 is about 464.3806654334.

Adding to 100143413 its reverse (314341001), we get a palindrome (414484414).

The spelling of 100143413 in words is "one hundred million, one hundred forty-three thousand, four hundred thirteen".

Divisors: 1 17 289 373 929 6341 15793 107797 268481 346517 5890789 100143413