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30546234 = 2341571201
BaseRepresentation
bin111010010000…
…1100100111010
32010110220120000
41310201210322
530304434414
63010413430
7520432035
oct164414472
963426500
1030546234
1116273924
12a291276
1364367c4
1440b201c
152a35b09
hex1d2193a

30546234 has 40 divisors (see below), whose sum is σ = 68939508. Its totient is φ = 10108800.

The previous prime is 30546227. The next prime is 30546239. The reversal of 30546234 is 43264503.

30546234 is a `hidden beast` number, since 30 + 5 + 4 + 623 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24059025 + 6487209 = 4905^2 + 2547^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30546198 and 30546207.

It is not an unprimeable number, because it can be changed into a prime (30546239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24834 + ... + 26034.

Almost surely, 230546234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30546234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34469754).

30546234 is an abundant number, since it is smaller than the sum of its proper divisors (38393274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30546234 is a wasteful number, since it uses less digits than its factorization.

30546234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 30546234 is about 5526.8647531851. The cubic root of 30546234 is about 312.5977814543.

The spelling of 30546234 in words is "thirty million, five hundred forty-six thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 157 162 314 471 942 1201 1413 2402 2826 3603 4239 7206 8478 10809 12717 21618 25434 32427 64854 97281 188557 194562 377114 565671 1131342 1697013 3394026 5091039 10182078 15273117 30546234