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361433440 = 2552818039
BaseRepresentation
bin10101100010110…
…000100101100000
3221012002201110201
4111202300211200
51220011332230
655510434544
711646063544
oct2542604540
9835081421
10361433440
11176024325
12a1062a54
1359b5a354
1436005a24
1521ae65ca
hex158b0960

361433440 has 48 divisors (see below), whose sum is σ = 857031840. Its totient is φ = 144040960.

The previous prime is 361433417. The next prime is 361433473. The reversal of 361433440 is 44334163.

361433440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 361433399 and 361433408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40941 + ... + 48979.

It is an arithmetic number, because the mean of its divisors is an integer number (17854830).

Almost surely, 2361433440 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 361433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428515920).

361433440 is an abundant number, since it is smaller than the sum of its proper divisors (495598400).

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

361433440 is a wasteful number, since it uses less digits than its factorization.

361433440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335 (or 8327 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 361433440 is about 19011.4028940528. The cubic root of 361433440 is about 712.3215944005.

The spelling of 361433440 in words is "three hundred sixty-one million, four hundred thirty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 281 562 1124 1405 2248 2810 4496 5620 8039 8992 11240 16078 22480 32156 40195 44960 64312 80390 128624 160780 257248 321560 643120 1286240 2258959 4517918 9035836 11294795 18071672 22589590 36143344 45179180 72286688 90358360 180716720 361433440