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30493224 = 2332479011
BaseRepresentation
bin111010001010…
…0101000101000
32010101012211200
41310110220220
530301240344
63005324200
7520121346
oct164245050
963335750
1030493224
1116238013
12a266660
136418638
14409a996
152a25069
hex1d14a28

30493224 has 48 divisors (see below), whose sum is σ = 84352320. Its totient is φ = 9947040.

The previous prime is 30493219. The next prime is 30493247. The reversal of 30493224 is 42239403.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (1757340).

Almost surely, 230493224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30493224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42176160).

30493224 is an abundant number, since it is smaller than the sum of its proper divisors (53859096).

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

30493224 is a wasteful number, since it uses less digits than its factorization.

30493224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9070 (or 9063 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30493224 is about 5522.0670043019. The cubic root of 30493224 is about 312.4168491303.

It can be divided in two parts, 304 and 93224, that added together give a triangular number (93528 = T432).

The spelling of 30493224 in words is "thirty million, four hundred ninety-three thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 1128 1692 3384 9011 18022 27033 36044 54066 72088 81099 108132 162198 216264 324396 423517 648792 847034 1270551 1694068 2541102 3388136 3811653 5082204 7623306 10164408 15246612 30493224