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30343026 = 23723101311
BaseRepresentation
bin111001110111…
…1111101110010
32010002120210210
41303233331302
530231434101
63002204550
7515624430
oct163577562
963076723
1030343026
111614518a
12a1b3756
13639516c
14405bd50
1529e57d6
hex1ceff72

30343026 has 64 divisors (see below), whose sum is σ = 73322496. Its totient is φ = 8184000.

The previous prime is 30342979. The next prime is 30343043. The reversal of 30343026 is 62034303.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30342993 and 30343011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97411 + ... + 97721.

It is an arithmetic number, because the mean of its divisors is an integer number (1145664).

Almost surely, 230343026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30343026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36661248).

30343026 is an abundant number, since it is smaller than the sum of its proper divisors (42979470).

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

30343026 is a wasteful number, since it uses less digits than its factorization.

30343026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 30343026 is about 5508.4504173134. The cubic root of 30343026 is about 311.9030558440.

Adding to 30343026 its reverse (62034303), we get a palindrome (92377329).

The spelling of 30343026 in words is "thirty million, three hundred forty-three thousand, twenty-six".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 101 138 161 202 303 311 322 483 606 622 707 933 966 1414 1866 2121 2177 2323 4242 4354 4646 6531 6969 7153 13062 13938 14306 16261 21459 31411 32522 42918 48783 50071 62822 94233 97566 100142 150213 188466 219877 300426 439754 659631 722453 1319262 1444906 2167359 4334718 5057171 10114342 15171513 30343026