Search a number
-
+
10491197 = 23491929
BaseRepresentation
bin101000000001…
…010100111101
3201202000012212
4220001110331
510141204242
61012510205
7155113403
oct50012475
921660185
1010491197
115a16212
12361b365
132234312
141571473
15dc3782
hexa0153d

10491197 has 8 divisors (see below), whose sum is σ = 10981440. Its totient is φ = 10003840.

The previous prime is 10491181. The next prime is 10491233. The reversal of 10491197 is 79119401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10491197 - 24 = 10491181 is a prime.

It is a super-2 number, since 2×104911972 = 220130428985618, 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 (10491137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10829 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (1372680).

Almost surely, 210491197 is an apocalyptic number.

It is an amenable number.

10491197 is a deficient number, since it is larger than the sum of its proper divisors (490243).

10491197 is an equidigital number, since it uses as much as digits as its factorization.

10491197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 10491197 is about 3239.0117319948. The cubic root of 10491197 is about 218.9147447944.

The spelling of 10491197 in words is "ten million, four hundred ninety-one thousand, one hundred ninety-seven".

Divisors: 1 23 491 929 11293 21367 456139 10491197