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30456466 = 228154193
BaseRepresentation
bin111010000101…
…1101010010010
32010022100102021
41310023222102
530244101331
63004442054
7516606235
oct164135222
963270367
1030456466
1116212437
12a24932a
1364049a1
14408b41c
152a19211
hex1d0ba92

30456466 has 8 divisors (see below), whose sum is σ = 45848124. Its totient is φ = 15173760.

The previous prime is 30456463. The next prime is 30456473. The reversal of 30456466 is 66465403.

It can be written as a sum of positive squares in 2 ways, for example, as 28143025 + 2313441 = 5305^2 + 1521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30456463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26535 + ... + 27658.

Almost surely, 230456466 is an apocalyptic number.

30456466 is a deficient number, since it is larger than the sum of its proper divisors (15391658).

30456466 is a wasteful number, since it uses less digits than its factorization.

30456466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54476.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 30456466 is about 5518.7377179931. The cubic root of 30456466 is about 312.2912645522.

The spelling of 30456466 in words is "thirty million, four hundred fifty-six thousand, four hundred sixty-six".

Divisors: 1 2 281 562 54193 108386 15228233 30456466