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30434444 = 221312412
BaseRepresentation
bin111010000011…
…0010010001100
32010021020012122
41310012102030
530242400234
63004152112
7516455105
oct164062214
963236178
1030434444
11161a7937
12a238638
1363c7961
1440833ac
152a1292e
hex1d0648c

30434444 has 18 divisors (see below), whose sum is σ = 53890452. Its totient is φ = 15038400.

The previous prime is 30434441. The next prime is 30434449. The reversal of 30434444 is 44443403.

It is not an unprimeable number, because it can be changed into a prime (30434441) 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, 126164 + ... + 126404.

It is an arithmetic number, because the mean of its divisors is an integer number (2993914).

Almost surely, 230434444 is an apocalyptic number.

It is an amenable number.

30434444 is a deficient number, since it is larger than the sum of its proper divisors (23456008).

30434444 is a wasteful number, since it uses less digits than its factorization.

30434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 30434444 is about 5516.7421545691. The cubic root of 30434444 is about 312.2159774580.

Adding to 30434444 its reverse (44443403), we get a palindrome (74877847).

The spelling of 30434444 in words is "thirty million, four hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 4 131 241 262 482 524 964 31571 58081 63142 116162 126284 232324 7608611 15217222 30434444