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30542346 = 234188533
BaseRepresentation
bin111010010000…
…0101000001010
32010110201020000
41310200220022
530304323341
63010343430
7520414512
oct164405012
963421200
1030542346
1116270a0a
12a28ab76
136434ac3
1440b0842
152a348b6
hex1d20a0a

30542346 has 20 divisors (see below), whose sum is σ = 68437842. Its totient is φ = 10180728.

The previous prime is 30542333. The next prime is 30542371. The reversal of 30542346 is 64324503.

It can be written as a sum of positive squares in only one way, i.e., 21986721 + 8555625 = 4689^2 + 2925^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 94105 + ... + 94428.

Almost surely, 230542346 is an apocalyptic number.

30542346 is an abundant number, since it is smaller than the sum of its proper divisors (37895496).

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

30542346 is a wasteful number, since it uses less digits than its factorization.

30542346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188547 (or 188538 counting only the distinct ones).

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

The square root of 30542346 is about 5526.5130055036. The cubic root of 30542346 is about 312.5845181527.

Adding to 30542346 its reverse (64324503), we get a palindrome (94866849).

The spelling of 30542346 in words is "thirty million, five hundred forty-two thousand, three hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 188533 377066 565599 1131198 1696797 3393594 5090391 10180782 15271173 30542346