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30014145 = 35573529
BaseRepresentation
bin111001001111…
…1101011000001
32002110212200000
41302133223001
530140423040
62551150213
7513054540
oct162375301
962425600
1030014145
1115a40087
12a075369
1362ab565
143db4157
15297d130
hex1c9fac1

30014145 has 48 divisors (see below), whose sum is σ = 61676160. Its totient is φ = 13716864.

The previous prime is 30014143. The next prime is 30014189. The reversal of 30014145 is 54141003.

It is a happy number.

It is not a de Polignac number, because 30014145 - 21 = 30014143 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30014143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6741 + ... + 10269.

It is an arithmetic number, because the mean of its divisors is an integer number (1284920).

Almost surely, 230014145 is an apocalyptic number.

30014145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30014145 is an abundant number, since it is smaller than the sum of its proper divisors (31662015).

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

30014145 is an equidigital number, since it uses as much as digits as its factorization.

30014145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30014145 is about 5478.5166788101. The cubic root of 30014145 is about 310.7720782597.

Adding to 30014145 its reverse (54141003), we get a palindrome (84155148).

The spelling of 30014145 in words is "thirty million, fourteen thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 567 945 1215 1701 2835 3529 8505 10587 17645 24703 31761 52935 74109 95283 123515 158805 222327 285849 370545 476415 666981 857547 1111635 1429245 2000943 3334905 4287735 6002829 10004715 30014145