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10852421 = 71152851
BaseRepresentation
bin101001011001…
…100001000101
3202102100201112
4221121201011
510234234141
61024334405
7161146466
oct51314105
922370645
1010852421
116142648
123774405
13232c868
141626d6d
15e457eb
hexa59845

10852421 has 4 divisors (see below), whose sum is σ = 11005344. Its totient is φ = 10699500.

The previous prime is 10852403. The next prime is 10852423. The reversal of 10852421 is 12425801.

10852421 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 12425801 = 43328697.

It is a cyclic number.

It is not a de Polignac number, because 10852421 - 26 = 10852357 is a prime.

It is a super-2 number, since 2×108524212 = 235550083122482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10852423) 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, 76355 + ... + 76496.

It is an arithmetic number, because the mean of its divisors is an integer number (2751336).

Almost surely, 210852421 is an apocalyptic number.

It is an amenable number.

10852421 is a deficient number, since it is larger than the sum of its proper divisors (152923).

10852421 is an equidigital number, since it uses as much as digits as its factorization.

10852421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152922.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 10852421 is about 3294.3012916247. The cubic root of 10852421 is about 221.3989436202.

The spelling of 10852421 in words is "ten million, eight hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 71 152851 10852421