Search a number
-
+
30573057 = 3731371019
BaseRepresentation
bin111010010100…
…0001000000001
32010112021100110
41310220020001
530311314212
63011141533
7520603164
oct164501001
963467313
1030573057
1116291a99
12a2a48a9
136445a88
1440bbadb
152a3da3c
hex1d28201

30573057 has 16 divisors (see below), whose sum is σ = 41664960. Its totient is φ = 19936512.

The previous prime is 30573031. The next prime is 30573061. The reversal of 30573057 is 75037503.

It is not a de Polignac number, because 30573057 - 27 = 30572929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30573007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29494 + ... + 30512.

It is an arithmetic number, because the mean of its divisors is an integer number (2604060).

Almost surely, 230573057 is an apocalyptic number.

It is an amenable number.

30573057 is a deficient number, since it is larger than the sum of its proper divisors (11091903).

30573057 is a wasteful number, since it uses less digits than its factorization.

30573057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its (nonzero) digits is 11025, while the sum is 30.

The square root of 30573057 is about 5529.2908225196. The cubic root of 30573057 is about 312.6892532565.

The spelling of 30573057 in words is "thirty million, five hundred seventy-three thousand, fifty-seven".

Divisors: 1 3 73 137 219 411 1019 3057 10001 30003 74387 139603 223161 418809 10191019 30573057