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30677121 = 323408569
BaseRepresentation
bin111010100000…
…1100010000001
32010201120002200
41311001202001
530323131441
63013303413
7521515446
oct165014201
963646080
1030677121
11163531a2
12a334b69
136481257
1441079cd
152a5e7b6
hex1d41881

30677121 has 6 divisors (see below), whose sum is σ = 44311410. Its totient is φ = 20451408.

The previous prime is 30677113. The next prime is 30677137. The reversal of 30677121 is 12177603.

It can be written as a sum of positive squares in only one way, i.e., 29322225 + 1354896 = 5415^2 + 1164^2 .

It is not a de Polignac number, because 30677121 - 23 = 30677113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30677111) 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, 1704276 + ... + 1704293.

It is an arithmetic number, because the mean of its divisors is an integer number (7385235).

Almost surely, 230677121 is an apocalyptic number.

It is an amenable number.

30677121 is a deficient number, since it is larger than the sum of its proper divisors (13634289).

30677121 is a wasteful number, since it uses less digits than its factorization.

30677121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408575 (or 3408572 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 30677121 is about 5538.6930768910. The cubic root of 30677121 is about 313.0436267687.

The spelling of 30677121 in words is "thirty million, six hundred seventy-seven thousand, one hundred twenty-one".

Divisors: 1 3 9 3408569 10225707 30677121