Search a number
-
+
10402969 = 234431021
BaseRepresentation
bin100111101011…
…110010011001
3201120112012011
4213223302121
510130343334
61010545521
7154265233
oct47536231
921515164
1010402969
1159659a5
1235982a1
132203105
14154b253
15da7564
hex9ebc99

10402969 has 8 divisors (see below), whose sum is σ = 10890432. Its totient is φ = 9918480.

The previous prime is 10402961. The next prime is 10402981. The reversal of 10402969 is 96920401.

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 10402969 - 23 = 10402961 is a prime.

It is a super-2 number, since 2×104029692 = 216443528029922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10402969.

It is not an unprimeable number, because it can be changed into a prime (10402961) 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, 9679 + ... + 10699.

It is an arithmetic number, because the mean of its divisors is an integer number (1361304).

Almost surely, 210402969 is an apocalyptic number.

It is an amenable number.

10402969 is a deficient number, since it is larger than the sum of its proper divisors (487463).

10402969 is a wasteful number, since it uses less digits than its factorization.

10402969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 10402969 is about 3225.3633903794. The cubic root of 10402969 is about 218.2993460812.

The spelling of 10402969 in words is "ten million, four hundred two thousand, nine hundred sixty-nine".

Divisors: 1 23 443 1021 10189 23483 452303 10402969