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10143901 = 31673203
BaseRepresentation
bin100110101100…
…100010011101
3201002100211001
4212230202131
510044101101
61001230301
7152136025
oct46544235
921070731
1010143901
1157a9299
123492391
132142211
1414c0a85
15d55901
hex9ac89d

10143901 has 4 divisors (see below), whose sum is σ = 10150272. Its totient is φ = 10137532.

The previous prime is 10143899. The next prime is 10143911. The reversal of 10143901 is 10934101.

10143901 = T2599 + T2600 + T2601.

It is a happy number.

10143901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10934101 = 19575479.

It is a cyclic number.

It is not a de Polignac number, because 10143901 - 21 = 10143899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143911) 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, 1566 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (2537568).

Almost surely, 210143901 is an apocalyptic number.

10143901 is the 2601-st centered triangular number.

It is an amenable number.

10143901 is a deficient number, since it is larger than the sum of its proper divisors (6371).

10143901 is an equidigital number, since it uses as much as digits as its factorization.

10143901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 10143901 is about 3184.9491361716. The cubic root of 10143901 is about 216.4719689488.

The spelling of 10143901 in words is "ten million, one hundred forty-three thousand, nine hundred one".

Divisors: 1 3167 3203 10143901