Search a number
-
+
10028741 = 78712743
BaseRepresentation
bin100110010000…
…011011000101
3200212111211212
4212100123011
510031404431
6554541205
7151146212
oct46203305
920774755
1010028741
11572a818
123437805
132101988
141490b09
15d3172b
hex9906c5

10028741 has 4 divisors (see below), whose sum is σ = 10042272. Its totient is φ = 10015212.

The previous prime is 10028737. The next prime is 10028747. The reversal of 10028741 is 14782001.

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.

It is a cyclic number.

It is not a de Polignac number, because 10028741 - 22 = 10028737 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 (10028747) 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, 5585 + ... + 7158.

It is an arithmetic number, because the mean of its divisors is an integer number (2510568).

Almost surely, 210028741 is an apocalyptic number.

It is an amenable number.

10028741 is a deficient number, since it is larger than the sum of its proper divisors (13531).

10028741 is an equidigital number, since it uses as much as digits as its factorization.

10028741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13530.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10028741 is about 3166.8187507339. The cubic root of 10028741 is about 215.6496736031.

The spelling of 10028741 in words is "ten million, twenty-eight thousand, seven hundred forty-one".

Divisors: 1 787 12743 10028741