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30554150 = 2521173761
BaseRepresentation
bin111010010001…
…1100000100110
32010111022102012
41310203200212
530310213100
63010514222
7520464104
oct164434046
963438365
1030554150
1116279870
12a295972
13643a2a3
1440b4c74
152a38135
hex1d23826

30554150 has 48 divisors (see below), whose sum is σ = 62929008. Its totient is φ = 10944000.

The previous prime is 30554149. The next prime is 30554159. The reversal of 30554150 is 5145503.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30554159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39770 + ... + 40530.

It is an arithmetic number, because the mean of its divisors is an integer number (1311021).

Almost surely, 230554150 is an apocalyptic number.

30554150 is an abundant number, since it is smaller than the sum of its proper divisors (32374858).

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

30554150 is a wasteful number, since it uses less digits than its factorization.

30554150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 30554150 is about 5527.5808451799. The cubic root of 30554150 is about 312.6247821675.

Adding to 30554150 its reverse (5145503), we get a palindrome (35699653).

The spelling of 30554150 in words is "thirty million, five hundred fifty-four thousand, one hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 73 110 146 275 365 550 730 761 803 1522 1606 1825 3650 3805 4015 7610 8030 8371 16742 19025 20075 38050 40150 41855 55553 83710 111106 209275 277765 418550 555530 611083 1222166 1388825 2777650 3055415 6110830 15277075 30554150