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343135072 = 25717251359
BaseRepresentation
bin10100011100111…
…101001101100000
3212220200001211101
4110130331031200
51200320310242
654014324144
711334412540
oct2434751540
9786601741
10343135072
11166766505
1296ab9654
1356121607
1433801320
15201ce9b7
hex1473d360

343135072 has 96 divisors (see below), whose sum is σ = 823011840. Its totient is φ = 137472000.

The previous prime is 343135061. The next prime is 343135099. The reversal of 343135072 is 270531343.

343135072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 343135072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955629 + ... + 955987.

It is an arithmetic number, because the mean of its divisors is an integer number (8573040).

Almost surely, 2343135072 is an apocalyptic number.

343135072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343135072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411505920).

343135072 is an abundant number, since it is smaller than the sum of its proper divisors (479876768).

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

343135072 is a wasteful number, since it uses less digits than its factorization.

343135072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 343135072 is about 18523.9054197542. The cubic root of 343135072 is about 700.0918736555.

It can be divided in two parts, 3431 and 35072, that added together give a triangular number (38503 = T277).

The spelling of 343135072 in words is "three hundred forty-three million, one hundred thirty-five thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 224 238 251 272 359 476 502 544 718 952 1004 1436 1757 1904 2008 2513 2872 3514 3808 4016 4267 5026 5744 6103 7028 8032 8534 10052 11488 12206 14056 17068 20104 24412 28112 29869 34136 40208 42721 48824 56224 59738 68272 80416 85442 90109 97648 119476 136544 170884 180218 195296 238952 341768 360436 477904 630763 683536 720872 955808 1261526 1367072 1441744 1531853 2523052 2883488 3063706 5046104 6127412 10092208 10722971 12254824 20184416 21445942 24509648 42891884 49019296 85783768 171567536 343135072