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30675953 = 7112691481
BaseRepresentation
bin111010100000…
…1001111110001
32010201111111102
41311001033301
530323112303
63013254145
7521512160
oct165011761
963644442
1030675953
1116352330
12a334355
136480869
1441073d7
152a5e288
hex1d413f1

30675953 has 16 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 23798400.

The previous prime is 30675949. The next prime is 30675977. The reversal of 30675953 is 35957603.

It is a cyclic number.

It is not a de Polignac number, because 30675953 - 22 = 30675949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30675943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19973 + ... + 21453.

It is an arithmetic number, because the mean of its divisors is an integer number (2400840).

Almost surely, 230675953 is an apocalyptic number.

It is an amenable number.

30675953 is a deficient number, since it is larger than the sum of its proper divisors (7737487).

30675953 is a wasteful number, since it uses less digits than its factorization.

30675953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 30675953 is about 5538.5876358509. The cubic root of 30675953 is about 313.0396537797.

The spelling of 30675953 in words is "thirty million, six hundred seventy-five thousand, nine hundred fifty-three".

Divisors: 1 7 11 77 269 1481 1883 2959 10367 16291 20713 114037 398389 2788723 4382279 30675953