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30799773 = 323422197
BaseRepresentation
bin111010101111…
…1011110011101
32010221210100100
41311133132131
530341043043
63020051313
7522536154
oct165373635
963853310
1030799773
1116427364
12a393b39
1364c5024
14413a59b
152a85cd3
hex1d5f79d

30799773 has 6 divisors (see below), whose sum is σ = 44488574. Its totient is φ = 20533176.

The previous prime is 30799763. The next prime is 30799793. The reversal of 30799773 is 37799703.

It can be written as a sum of positive squares in only one way, i.e., 24235929 + 6563844 = 4923^2 + 2562^2 .

It is not a de Polignac number, because 30799773 - 24 = 30799757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30799763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1711090 + ... + 1711107.

Almost surely, 230799773 is an apocalyptic number.

It is an amenable number.

30799773 is a deficient number, since it is larger than the sum of its proper divisors (13688801).

30799773 is a wasteful number, since it uses less digits than its factorization.

30799773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422203 (or 3422200 counting only the distinct ones).

The product of its (nonzero) digits is 250047, while the sum is 45.

The square root of 30799773 is about 5549.7543188866. The cubic root of 30799773 is about 313.4602713634.

The spelling of 30799773 in words is "thirty million, seven hundred ninety-nine thousand, seven hundred seventy-three".

Divisors: 1 3 9 3422197 10266591 30799773