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30770206 = 234994397
BaseRepresentation
bin111010101100…
…0010000011110
32010220021210021
41311120100132
530334121311
63015302354
7522354025
oct165302036
963807707
1030770206
1116407125
12a37a9ba
1364b472c
14412d8bc
152a7c171
hex1d5841e

30770206 has 8 divisors (see below), whose sum is σ = 46179000. Its totient is φ = 15377208.

The previous prime is 30770203. The next prime is 30770231. The reversal of 30770206 is 60207703.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30770203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4800 + ... + 9196.

It is an arithmetic number, because the mean of its divisors is an integer number (5772375).

Almost surely, 230770206 is an apocalyptic number.

30770206 is a deficient number, since it is larger than the sum of its proper divisors (15408794).

30770206 is a wasteful number, since it uses less digits than its factorization.

30770206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30770206 is about 5547.0898676694. The cubic root of 30770206 is about 313.3599346160.

Adding to 30770206 its reverse (60207703), we get a palindrome (90977909).

It can be divided in two parts, 30770 and 206, that added together give a square (30976 = 1762).

The spelling of 30770206 in words is "thirty million, seven hundred seventy thousand, two hundred six".

Divisors: 1 2 3499 4397 6998 8794 15385103 30770206