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340238272 = 26111728429
BaseRepresentation
bin10100010001111…
…001111111000000
3212201012220011111
4110101321333000
51144100111042
653432253104
711300656213
oct2421717700
9781186144
10340238272
11165068060
1295b41194
1355648c2a
143328977a
151ed0b517
hex14479fc0

340238272 has 56 divisors (see below), whose sum is σ = 779891760. Its totient is φ = 145551360.

The previous prime is 340238219. The next prime is 340238293. The reversal of 340238272 is 272832043.

It is a super-3 number, since 3×3402382723 (a number of 27 digits) contains 333 as substring.

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, 2247 + ... + 26182.

Almost surely, 2340238272 is an apocalyptic number.

340238272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

340238272 is an abundant number, since it is smaller than the sum of its proper divisors (439653488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340238272 is a wasteful number, since it uses less digits than its factorization.

340238272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28469 (or 28459 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 340238272 is about 18445.5488397608. The cubic root of 340238272 is about 698.1162084877.

The spelling of 340238272 in words is "three hundred forty million, two hundred thirty-eight thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 16 17 22 32 34 44 64 68 88 136 176 187 272 352 374 544 704 748 1088 1496 2992 5984 11968 28429 56858 113716 227432 312719 454864 483293 625438 909728 966586 1250876 1819456 1933172 2501752 3866344 5003504 5316223 7732688 10007008 10632446 15465376 20014016 21264892 30930752 42529784 85059568 170119136 340238272