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3004172729 = 25391183211
BaseRepresentation
bin1011001100010000…
…0000100110111001
321202100212210020122
42303010000212321
522123032011404
61214033503025
7134306022035
oct26304004671
97670783218
103004172729
111301860488
126ba111a75
1338b5158cc
14206db11c5
15128b1a3be
hexb31009b9

3004172729 has 4 divisors (see below), whose sum is σ = 3005358480. Its totient is φ = 3002986980.

The previous prime is 3004172711. The next prime is 3004172749. The reversal of 3004172729 is 9272714003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9272714003 = 71324673429.

It is a cyclic number.

It is not a de Polignac number, because 3004172729 - 28 = 3004172473 is a prime.

It is a super-3 number, since 3×30041727293 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3004172749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589067 + ... + 594144.

It is an arithmetic number, because the mean of its divisors is an integer number (751339620).

Almost surely, 23004172729 is an apocalyptic number.

It is an amenable number.

3004172729 is a deficient number, since it is larger than the sum of its proper divisors (1185751).

3004172729 is a wasteful number, since it uses less digits than its factorization.

3004172729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185750.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 3004172729 is about 54810.3341442104. The cubic root of 3004172729 is about 1442.9179401455.

The spelling of 3004172729 in words is "three billion, four million, one hundred seventy-two thousand, seven hundred twenty-nine".

Divisors: 1 2539 1183211 3004172729