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30906376 = 233863297
BaseRepresentation
bin111010111100…
…1100000001000
32011011012120121
41311321200020
530403001001
63022233024
7523462024
oct165714010
964135517
1030906376
111649a466
12a425774
1365316c7
144167384
152aa76a1
hex1d79808

30906376 has 8 divisors (see below), whose sum is σ = 57949470. Its totient is φ = 15453184.

The previous prime is 30906341. The next prime is 30906397. The reversal of 30906376 is 67360903.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 9060100 = 4674^2 + 3010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1931641 + ... + 1931656.

Almost surely, 230906376 is an apocalyptic number.

It is an amenable number.

30906376 is a deficient number, since it is larger than the sum of its proper divisors (27043094).

30906376 is a wasteful number, since it uses less digits than its factorization.

30906376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863303 (or 3863299 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 30906376 is about 5559.3503217552. The cubic root of 30906376 is about 313.8215005058.

The spelling of 30906376 in words is "thirty million, nine hundred six thousand, three hundred seventy-six".

Divisors: 1 2 4 8 3863297 7726594 15453188 30906376