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30825396 = 22327122323
BaseRepresentation
bin111010110010…
…1101110110100
32011000002111100
41311211232310
530342403041
63020410100
7523003650
oct165455664
964002440
1030825396
1116444638
12a3a6930
1365038a4
144145a60
152a8d6b6
hex1d65bb4

30825396 has 36 divisors (see below), whose sum is σ = 89051872. Its totient is φ = 8807184.

The previous prime is 30825337. The next prime is 30825401. The reversal of 30825396 is 69352803.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30825396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60910 + ... + 61413.

Almost surely, 230825396 is an apocalyptic number.

30825396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30825396 is an abundant number, since it is smaller than the sum of its proper divisors (58226476).

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

30825396 is a wasteful number, since it uses less digits than its factorization.

30825396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122340 (or 122335 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 30825396 is about 5552.0623195350. The cubic root of 30825396 is about 313.5471720719.

The spelling of 30825396 in words is "thirty million, eight hundred twenty-five thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 122323 244646 366969 489292 733938 856261 1100907 1467876 1712522 2201814 2568783 3425044 4403628 5137566 7706349 10275132 15412698 30825396