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269993405 = 51117417043
BaseRepresentation
bin10000000101111…
…100010110111101
3200211001002022202
4100011330112331
51023104242110
642442521245
76455622533
oct2005742675
9624032282
10269993405
1112944a050
1276506225
1343c22b16
1427c02153
1518a830a5
hex1017c5bd

269993405 has 32 divisors (see below), whose sum is σ = 383419008. Its totient is φ = 180275200.

The previous prime is 269993351. The next prime is 269993407. The reversal of 269993405 is 504399962.

It is not a de Polignac number, because 269993405 - 212 = 269989309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 269993405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269993407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34814 + ... + 41856.

It is an arithmetic number, because the mean of its divisors is an integer number (11981844).

Almost surely, 2269993405 is an apocalyptic number.

It is an amenable number.

269993405 is a deficient number, since it is larger than the sum of its proper divisors (113425603).

269993405 is a wasteful number, since it uses less digits than its factorization.

269993405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7117.

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 269993405 is about 16431.4760444703. The cubic root of 269993405 is about 646.3251445605.

The spelling of 269993405 in words is "two hundred sixty-nine million, nine hundred ninety-three thousand, four hundred five".

Divisors: 1 5 11 17 41 55 85 187 205 451 697 935 2255 3485 7043 7667 35215 38335 77473 119731 288763 387365 598655 1317041 1443815 3176393 4908971 6585205 15881965 24544855 53998681 269993405