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30353396 = 227588349
BaseRepresentation
bin111001111001…
…0011111110100
32010010010000212
41303302133310
530232302041
63002324552
7515666603
oct163623764
963103025
1030353396
1116151a57
12a1b9758
136399ab8
144061a3a
1529e88eb
hex1cf27f4

30353396 has 6 divisors (see below), whose sum is σ = 53118450. Its totient is φ = 15176696.

The previous prime is 30353387. The next prime is 30353413. The reversal of 30353396 is 69335303.

It can be written as a sum of positive squares in only one way, i.e., 24641296 + 5712100 = 4964^2 + 2390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3794171 + ... + 3794178.

It is an arithmetic number, because the mean of its divisors is an integer number (8853075).

Almost surely, 230353396 is an apocalyptic number.

It is an amenable number.

30353396 is a deficient number, since it is larger than the sum of its proper divisors (22765054).

30353396 is a wasteful number, since it uses less digits than its factorization.

30353396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588353 (or 7588351 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 32.

The square root of 30353396 is about 5509.3916179557. The cubic root of 30353396 is about 311.9385836815.

Adding to 30353396 its reverse (69335303), we get a palindrome (99688699).

The spelling of 30353396 in words is "thirty million, three hundred fifty-three thousand, three hundred ninety-six".

Divisors: 1 2 4 7588349 15176698 30353396