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351442944 = 2113223829
BaseRepresentation
bin10100111100101…
…001100000000000
3220111022011002100
4110330221200000
51204432133234
654512350400
711465133666
oct2474514000
9814264070
10351442944
11170420316
1299845400
1357a6cc08
1434964c36
1520cc1399
hex14f29800

351442944 has 144 divisors (see below), whose sum is σ = 1060441200. Its totient is φ = 111919104.

The previous prime is 351442907. The next prime is 351442957. The reversal of 351442944 is 449244153.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 351442899 and 351442908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423522 + ... + 424350.

It is an arithmetic number, because the mean of its divisors is an integer number (7364175).

Almost surely, 2351442944 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 351442944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530220600).

351442944 is an abundant number, since it is smaller than the sum of its proper divisors (708998256).

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

351442944 is a wasteful number, since it uses less digits than its factorization.

351442944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 857 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 351442944 is about 18746.8115689042. The cubic root of 351442944 is about 705.6970079653.

The spelling of 351442944 in words is "three hundred fifty-one million, four hundred forty-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 92 96 128 138 144 184 192 207 256 276 288 368 384 414 512 552 576 736 768 828 829 1024 1104 1152 1472 1536 1656 1658 2048 2208 2304 2487 2944 3072 3312 3316 4416 4608 4974 5888 6144 6624 6632 7461 8832 9216 9948 11776 13248 13264 14922 17664 18432 19067 19896 23552 26496 26528 29844 35328 38134 39792 47104 52992 53056 57201 59688 70656 76268 79584 105984 106112 114402 119376 141312 152536 159168 171603 211968 212224 228804 238752 305072 318336 343206 423936 424448 457608 477504 610144 636672 686412 848896 915216 955008 1220288 1273344 1372824 1697792 1830432 1910016 2440576 2546688 2745648 3660864 3820032 4881152 5093376 5491296 7321728 7640064 9762304 10982592 14643456 15280128 19524608 21965184 29286912 39049216 43930368 58573824 87860736 117147648 175721472 351442944