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342149430 = 235712712829
BaseRepresentation
bin10100011001001…
…100100100110110
3212211210222210010
4110121030210312
51200042240210
653541241050
711323136130
oct2431144466
9784728703
10342149430
11166152a27
1296703186
1355b67aac
1433626050
1520087920
hex1464c936

342149430 has 64 divisors (see below), whose sum is σ = 945930240. Its totient is φ = 77583744.

The previous prime is 342149413. The next prime is 342149443. The reversal of 342149430 is 34941243.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20256 + ... + 33084.

It is an arithmetic number, because the mean of its divisors is an integer number (14780160).

Almost surely, 2342149430 is an apocalyptic number.

342149430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 342149430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472965120).

342149430 is an abundant number, since it is smaller than the sum of its proper divisors (603780810).

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

342149430 is a wasteful number, since it uses less digits than its factorization.

342149430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12973.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 342149430 is about 18497.2816921839. The cubic root of 342149430 is about 699.4209020067.

The spelling of 342149430 in words is "three hundred forty-two million, one hundred forty-nine thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 127 210 254 381 635 762 889 1270 1778 1905 2667 3810 4445 5334 8890 12829 13335 25658 26670 38487 64145 76974 89803 128290 179606 192435 269409 384870 449015 538818 898030 1347045 1629283 2694090 3258566 4887849 8146415 9775698 11404981 16292830 22809962 24439245 34214943 48878490 57024905 68429886 114049810 171074715 342149430