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30724300 = 2252307243
BaseRepresentation
bin111010100110…
…1000011001100
32010210221211001
41311031003030
530331134200
63014310044
7522103135
oct165150314
963727731
1030724300
1116385692
12a358324
136499879
14411ac8c
152a6d76a
hex1d4d0cc

30724300 has 18 divisors (see below), whose sum is σ = 66671948. Its totient is φ = 12289680.

The previous prime is 30724289. The next prime is 30724333. The reversal of 30724300 is 342703.

It is a super-2 number, since 2×307243002 = 1887965220980000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153522 + ... + 153721.

Almost surely, 230724300 is an apocalyptic number.

It is an amenable number.

30724300 is an abundant number, since it is smaller than the sum of its proper divisors (35947648).

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

30724300 is a wasteful number, since it uses less digits than its factorization.

30724300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307257 (or 307250 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 30724300 is about 5542.9504778592. The cubic root of 30724300 is about 313.2040233990.

The spelling of 30724300 in words is "thirty million, seven hundred twenty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 307243 614486 1228972 1536215 3072430 6144860 7681075 15362150 30724300