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30464500 = 22531129191
BaseRepresentation
bin111010000110…
…1100111110100
32010022202102211
41310031213310
530244331000
63004543204
7516641533
oct164154764
963282384
1030464500
1116218480
12a251b04
136408541
14409031a
152a1b7ba
hex1d0d9f4

30464500 has 96 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 10640000.

The previous prime is 30464479. The next prime is 30464503. The reversal of 30464500 is 546403.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30464503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159405 + ... + 159595.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 230464500 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 30464500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37739520).

30464500 is an abundant number, since it is smaller than the sum of its proper divisors (45014540).

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

30464500 is a wasteful number, since it uses less digits than its factorization.

30464500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30464500 is about 5519.4655538376. The cubic root of 30464500 is about 312.3187215290.

The spelling of 30464500 in words is "thirty million, four hundred sixty-four thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 29 44 50 55 58 100 110 116 125 145 191 220 250 275 290 319 382 500 550 580 638 725 764 955 1100 1276 1375 1450 1595 1910 2101 2750 2900 3190 3625 3820 4202 4775 5500 5539 6380 7250 7975 8404 9550 10505 11078 14500 15950 19100 21010 22156 23875 27695 31900 39875 42020 47750 52525 55390 60929 79750 95500 105050 110780 121858 138475 159500 210100 243716 262625 276950 304645 525250 553900 609290 692375 1050500 1218580 1384750 1523225 2769500 3046450 6092900 7616125 15232250 30464500