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30555414 = 2333741373
BaseRepresentation
bin111010010001…
…1110100010110
32010111101011000
41310203310112
530310233124
63010524130
7520500561
oct164436426
963441130
1030555414
111627a80a
12a296646
13643aa36
1440b54d8
152a386c9
hex1d23d16

30555414 has 64 divisors (see below), whose sum is σ = 71628480. Its totient is φ = 9642240.

The previous prime is 30555407. The next prime is 30555419. The reversal of 30555414 is 41455503.

It is a super-2 number, since 2×305554142 = 1867266649422792, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30555419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81732 + ... + 82104.

It is an arithmetic number, because the mean of its divisors is an integer number (1119195).

Almost surely, 230555414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30555414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35814240).

30555414 is an abundant number, since it is smaller than the sum of its proper divisors (41073066).

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

30555414 is a wasteful number, since it uses less digits than its factorization.

30555414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 30555414 is about 5527.6951797291. The cubic root of 30555414 is about 312.6290931179.

The spelling of 30555414 in words is "thirty million, five hundred fifty-five thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 27 37 41 54 74 82 111 123 222 246 333 369 373 666 738 746 999 1107 1119 1517 1998 2214 2238 3034 3357 4551 6714 9102 10071 13653 13801 15293 20142 27306 27602 30586 40959 41403 45879 81918 82806 91758 124209 137637 248418 275274 372627 412911 565841 745254 825822 1131682 1697523 3395046 5092569 10185138 15277707 30555414