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30001342 = 2719112787
BaseRepresentation
bin111001001110…
…0100010111110
32002110020002211
41302130202332
530140020332
62551011034
7513002320
oct162344276
962406084
1030001342
1115a314a8
12a069a7a
1362a5797
143dad610
152979447
hex1c9c8be

30001342 has 16 divisors (see below), whose sum is σ = 54138240. Its totient is φ = 12180888.

The previous prime is 30001333. The next prime is 30001351. The reversal of 30001342 is 24310003.

It is an interprime number because it is at equal distance from previous prime (30001333) and next prime (30001351).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56128 + ... + 56659.

It is an arithmetic number, because the mean of its divisors is an integer number (3383640).

Almost surely, 230001342 is an apocalyptic number.

30001342 is a deficient number, since it is larger than the sum of its proper divisors (24136898).

30001342 is a wasteful number, since it uses less digits than its factorization.

30001342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112815.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30001342 is about 5477.3480809603. The cubic root of 30001342 is about 310.7278837552.

Adding to 30001342 its reverse (24310003), we get a palindrome (54311345).

The spelling of 30001342 in words is "thirty million, one thousand, three hundred forty-two".

Divisors: 1 2 7 14 19 38 133 266 112787 225574 789509 1579018 2142953 4285906 15000671 30001342