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30424900 = 225211171627
BaseRepresentation
bin111010000001…
…1111101000100
32010020202010011
41310003331010
530242044100
63004040004
7516415222
oct164037504
963222104
1030424900
11161a0750
12a233004
1363c34cc
14407db12
152a0ebba
hex1d03f44

30424900 has 72 divisors (see below), whose sum is σ = 76307616. Its totient is φ = 10406400.

The previous prime is 30424879. The next prime is 30424957. The reversal of 30424900 is 942403.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17887 + ... + 19513.

It is an arithmetic number, because the mean of its divisors is an integer number (1059828).

Almost surely, 230424900 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 30424900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38153808).

30424900 is an abundant number, since it is smaller than the sum of its proper divisors (45882716).

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

30424900 is a wasteful number, since it uses less digits than its factorization.

30424900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 30424900 is about 5515.8770834746. The cubic root of 30424900 is about 312.1833378954.

The spelling of 30424900 in words is "thirty million, four hundred twenty-four thousand, nine hundred".

Divisors: 1 2 4 5 10 11 17 20 22 25 34 44 50 55 68 85 100 110 170 187 220 275 340 374 425 550 748 850 935 1100 1627 1700 1870 3254 3740 4675 6508 8135 9350 16270 17897 18700 27659 32540 35794 40675 55318 71588 81350 89485 110636 138295 162700 178970 276590 304249 357940 447425 553180 608498 691475 894850 1216996 1382950 1521245 1789700 2765900 3042490 6084980 7606225 15212450 30424900