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10242373 = 91111243
BaseRepresentation
bin100111000100…
…100101000101
3201021100220011
4213010211011
510110223443
61003310221
7153026101
oct47044505
921240804
1010242373
115866279
12351b371
132177c9b
141508901
15d74b9d
hex9c4945

10242373 has 4 divisors (see below), whose sum is σ = 10254528. Its totient is φ = 10230220.

The previous prime is 10242371. The next prime is 10242391. The reversal of 10242373 is 37324201.

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: 37324201 = 109134211.

It is a cyclic number.

It is not a de Polignac number, because 10242373 - 21 = 10242371 is a prime.

It is a super-2 number, since 2×102423732 = 209812409342258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10242371) 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, 4711 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (2563632).

Almost surely, 210242373 is an apocalyptic number.

It is an amenable number.

10242373 is a deficient number, since it is larger than the sum of its proper divisors (12155).

10242373 is an equidigital number, since it uses as much as digits as its factorization.

10242373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 10242373 is about 3200.3707597714. The cubic root of 10242373 is about 217.1701822846.

Adding to 10242373 its reverse (37324201), we get a palindrome (47566574).

The spelling of 10242373 in words is "ten million, two hundred forty-two thousand, three hundred seventy-three".

Divisors: 1 911 11243 10242373