[go: up one dir, main page]

Search a number
-
+
30084600 = 233527131929
BaseRepresentation
bin111001011000…
…0110111111000
32002121110022110
41302300313320
530200201400
62552452320
7513500130
oct162606770
962543273
1030084600
1115a89007
12a0aa0a0
136304650
143dd1ac0
152993e50
hex1cb0df8

30084600 has 384 divisors, whose sum is σ = 124992000. Its totient is φ = 5806080.

The previous prime is 30084583. The next prime is 30084623. The reversal of 30084600 is 648003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1037386 + ... + 1037414.

It is an arithmetic number, because the mean of its divisors is an integer number (325500).

Almost surely, 230084600 is an apocalyptic number.

30084600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30084600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62496000).

30084600 is an abundant number, since it is smaller than the sum of its proper divisors (94907400).

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

30084600 is a wasteful number, since it uses less digits than its factorization.

30084600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30084600 is about 5484.9430261398. The cubic root of 30084600 is about 311.0150563252.

The spelling of 30084600 in words is "thirty million, eighty-four thousand, six hundred".