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30692048 = 246173109
BaseRepresentation
bin111010100010…
…1001011010000
32010202022120112
41311011023100
530324121143
63013500452
7521610122
oct165051320
963668515
1030692048
1116363432
12a341728
136487c9a
14410d212
152a63e18
hex1d452d0

30692048 has 20 divisors (see below), whose sum is σ = 59581380. Its totient is φ = 15316224.

The previous prime is 30692041. The next prime is 30692069. The reversal of 30692048 is 84029603.

It can be written as a sum of positive squares in 2 ways, for example, as 2729104 + 27962944 = 1652^2 + 5288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30692041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8318 + ... + 11426.

It is an arithmetic number, because the mean of its divisors is an integer number (2979069).

Almost surely, 230692048 is an apocalyptic number.

It is an amenable number.

30692048 is a deficient number, since it is larger than the sum of its proper divisors (28889332).

30692048 is a wasteful number, since it uses less digits than its factorization.

30692048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 30692048 is about 5540.0404330654. The cubic root of 30692048 is about 313.0943925552.

The spelling of 30692048 in words is "thirty million, six hundred ninety-two thousand, forty-eight".

Divisors: 1 2 4 8 16 617 1234 2468 3109 4936 6218 9872 12436 24872 49744 1918253 3836506 7673012 15346024 30692048