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10158001 = 71451143
BaseRepresentation
bin100110101111…
…111110110001
3201010002011021
4212233332301
510100024001
61001415441
7152225110
oct46577661
921102137
1010158001
115808947
12349a581
132148769
1414c5c77
15d59ba1
hex9affb1

10158001 has 4 divisors (see below), whose sum is σ = 11609152. Its totient is φ = 8706852.

The previous prime is 10157999. The next prime is 10158007. The reversal of 10158001 is 10085101.

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 an emirpimes, since its reverse is a distinct semiprime: 10085101 = 13775777.

It is not a de Polignac number, because 10158001 - 21 = 10157999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10158007) 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, 725565 + ... + 725578.

It is an arithmetic number, because the mean of its divisors is an integer number (2902288).

Almost surely, 210158001 is an apocalyptic number.

It is an amenable number.

10158001 is a deficient number, since it is larger than the sum of its proper divisors (1451151).

10158001 is an equidigital number, since it uses as much as digits as its factorization.

10158001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451150.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 10158001 is about 3187.1619036378. The cubic root of 10158001 is about 216.5722210328.

Subtracting from 10158001 its reverse (10085101), we obtain a square (72900 = 2702).

The spelling of 10158001 in words is "ten million, one hundred fifty-eight thousand, one".

Divisors: 1 7 1451143 10158001