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30046400 = 265289211
BaseRepresentation
bin111001010011…
…1100011000000
32002112111220122
41302213203000
530142441100
62551555412
7513250556
oct162474300
962474818
1030046400
1115a6233a
12a08bb68
1362c0147
143dc1bd6
152987985
hex1ca78c0

30046400 has 84 divisors (see below), whose sum is σ = 75117960. Its totient is φ = 11827200.

The previous prime is 30046369. The next prime is 30046411. The reversal of 30046400 is 464003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142295 + ... + 142505.

Almost surely, 230046400 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 30046400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37558980).

30046400 is an abundant number, since it is smaller than the sum of its proper divisors (45071560).

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

30046400 is a wasteful number, since it uses less digits than its factorization.

30046400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30046400 is about 5481.4596596162. The cubic root of 30046400 is about 310.8833631749.

The spelling of 30046400 in words is "thirty million, forty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 89 100 160 178 200 211 320 356 400 422 445 712 800 844 890 1055 1424 1600 1688 1780 2110 2225 2848 3376 3560 4220 4450 5275 5696 6752 7120 8440 8900 10550 13504 14240 16880 17800 18779 21100 28480 33760 35600 37558 42200 67520 71200 75116 84400 93895 142400 150232 168800 187790 300464 337600 375580 469475 600928 751160 938950 1201856 1502320 1877900 3004640 3755800 6009280 7511600 15023200 30046400