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269847993 = 3372431063
BaseRepresentation
bin10000000101011…
…000110110111001
3200210202200212010
4100011120312321
51023040113433
642435440133
76454445562
oct2005306671
9623680763
10269847993
1112935a878
1276456049
1343ba188c
1427ba5169
1518a54e63
hex10158db9

269847993 has 8 divisors (see below), whose sum is σ = 369521728. Its totient is φ = 175036464.

The previous prime is 269847973. The next prime is 269847997. The reversal of 269847993 is 399748962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 269847993 - 25 = 269847961 is a prime.

It is a super-2 number, since 2×2698479932 = 145635878652256098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (269847997) 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 7 ways as a sum of consecutive naturals, for example, 1215421 + ... + 1215642.

It is an arithmetic number, because the mean of its divisors is an integer number (46190216).

Almost surely, 2269847993 is an apocalyptic number.

It is an amenable number.

269847993 is a deficient number, since it is larger than the sum of its proper divisors (99673735).

269847993 is a wasteful number, since it uses less digits than its factorization.

269847993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431103.

The product of its digits is 5878656, while the sum is 57.

The square root of 269847993 is about 16427.0506482448. The cubic root of 269847993 is about 646.2090919611.

The spelling of 269847993 in words is "two hundred sixty-nine million, eight hundred forty-seven thousand, nine hundred ninety-three".

Divisors: 1 3 37 111 2431063 7293189 89949331 269847993