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30772062 = 23563317
BaseRepresentation
bin111010101100…
…0101101011110
32010220101100000
41311120231132
530334201222
63015315130
7522362316
oct165305536
963811300
1030772062
1116408562
12a37baa6
1364b5529
144130446
152a7c9ac
hex1d58b5e

30772062 has 24 divisors (see below), whose sum is σ = 69143256. Its totient is φ = 10257192.

The previous prime is 30772061. The next prime is 30772067. The reversal of 30772062 is 26027703.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30772061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31173 + ... + 32144.

It is an arithmetic number, because the mean of its divisors is an integer number (2880969).

Almost surely, 230772062 is an apocalyptic number.

30772062 is an abundant number, since it is smaller than the sum of its proper divisors (38371194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30772062 is an equidigital number, since it uses as much as digits as its factorization.

30772062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63334 (or 63322 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30772062 is about 5547.2571600747. The cubic root of 30772062 is about 313.3662349133.

Adding to 30772062 its reverse (26027703), we get a palindrome (56799765).

The spelling of 30772062 in words is "thirty million, seven hundred seventy-two thousand, sixty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 63317 126634 189951 379902 569853 1139706 1709559 3419118 5128677 10257354 15386031 30772062