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269312001 = 3740131981
BaseRepresentation
bin10000000011010…
…110000000000001
3200202202110121120
4100003112000001
51022420441001
642420142453
76450054120
oct2003260001
9622673546
10269312001
11129024102
1276237a29
1343a4491a
1427aa5ab7
151899b236
hex100d6001

269312001 has 16 divisors (see below), whose sum is σ = 411416448. Its totient is φ = 153504000.

The previous prime is 269311981. The next prime is 269312003. The reversal of 269312001 is 100213962.

It is not a de Polignac number, because 269312001 - 25 = 269311969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (269312003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7570 + ... + 24411.

It is an arithmetic number, because the mean of its divisors is an integer number (25713528).

Almost surely, 2269312001 is an apocalyptic number.

269312001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

269312001 is a deficient number, since it is larger than the sum of its proper divisors (142104447).

269312001 is a wasteful number, since it uses less digits than its factorization.

269312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32392.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 269312001 is about 16410.7282288142. The cubic root of 269312001 is about 645.7809589753.

Adding to 269312001 its reverse (100213962), we get a palindrome (369525963).

The spelling of 269312001 in words is "two hundred sixty-nine million, three hundred twelve thousand, one".

Divisors: 1 3 7 21 401 1203 2807 8421 31981 95943 223867 671601 12824381 38473143 89770667 269312001