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340904148 = 2231331157449
BaseRepresentation
bin10100010100011…
…100100011010100
3212202110201120120
4110110130203110
51144232413043
653454431540
711306431434
oct2424344324
9782421516
10340904148
11165482372
12962025b0
1355820040
14333c02c4
151eddd983
hex1451c8d4

340904148 has 96 divisors (see below), whose sum is σ = 891878400. Its totient is φ = 100638720.

The previous prime is 340904143. The next prime is 340904171. The reversal of 340904148 is 841409043.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340904141) 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, 759028 + ... + 759476.

It is an arithmetic number, because the mean of its divisors is an integer number (9290400).

Almost surely, 2340904148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340904148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445939200).

340904148 is an abundant number, since it is smaller than the sum of its proper divisors (550974252).

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

340904148 is a wasteful number, since it uses less digits than its factorization.

340904148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 340904148 is about 18463.5897918038. The cubic root of 340904148 is about 698.5713364961.

The spelling of 340904148 in words is "three hundred forty million, nine hundred four thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 13 26 31 39 52 62 78 93 124 156 157 186 314 372 403 449 471 628 806 898 942 1209 1347 1612 1796 1884 2041 2418 2694 4082 4836 4867 5388 5837 6123 8164 9734 11674 12246 13919 14601 17511 19468 23348 24492 27838 29202 35022 41757 55676 58404 63271 70044 70493 83514 126542 140986 167028 180947 189813 211479 253084 281972 361894 379626 422958 542841 723788 759252 845916 916409 1085682 1832818 2171364 2185283 2749227 3665636 4370566 5498454 6555849 8741132 10996908 13111698 26223396 28408679 56817358 85226037 113634716 170452074 340904148