Search a number
-
+
7925033 = 19229757
BaseRepresentation
bin11110001110110100101001
3112220122002202
4132032310221
54012100113
6441505545
7124235024
oct36166451
915818082
107925033
114523216
1227a22b5
13184628c
1410a41bb
15a68258
hex78ed29

7925033 has 12 divisors (see below), whose sum is σ = 8663940. Its totient is φ = 7239456.

The previous prime is 7925017. The next prime is 7925053. The reversal of 7925033 is 3305297.

It can be written as a sum of positive squares in 2 ways, for example, as 4528384 + 3396649 = 2128^2 + 1843^2 .

It is not a de Polignac number, because 7925033 - 24 = 7925017 is a prime.

It is a super-2 number, since 2×79250332 = 125612296102178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7924987 and 7925005.

It is not an unprimeable number, because it can be changed into a prime (7925053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10091 + ... + 10847.

It is an arithmetic number, because the mean of its divisors is an integer number (721995).

Almost surely, 27925033 is an apocalyptic number.

It is an amenable number.

7925033 is a deficient number, since it is larger than the sum of its proper divisors (738907).

7925033 is a wasteful number, since it uses less digits than its factorization.

7925033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 7925033 is about 2815.1435132156. The cubic root of 7925033 is about 199.3733133704.

The spelling of 7925033 in words is "seven million, nine hundred twenty-five thousand, thirty-three".

Divisors: 1 19 29 361 551 757 10469 14383 21953 273277 417107 7925033