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30825212 = 2211700573
BaseRepresentation
bin111010110010…
…1101011111100
32011000002020112
41311211223330
530342401322
63020405152
7523003265
oct165455374
964002215
1030825212
1116444490
12a3a67b8
136503792
14414596c
152a8d5e2
hex1d65afc

30825212 has 12 divisors (see below), whose sum is σ = 58848216. Its totient is φ = 14011440.

The previous prime is 30825211. The next prime is 30825229. The reversal of 30825212 is 21252803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30825211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350243 + ... + 350330.

It is an arithmetic number, because the mean of its divisors is an integer number (4904018).

Almost surely, 230825212 is an apocalyptic number.

It is an amenable number.

30825212 is a deficient number, since it is larger than the sum of its proper divisors (28023004).

30825212 is a wasteful number, since it uses less digits than its factorization.

30825212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700588 (or 700586 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 30825212 is about 5552.0457490911. The cubic root of 30825212 is about 313.5465482054.

The spelling of 30825212 in words is "thirty million, eight hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 700573 1401146 2802292 7706303 15412606 30825212