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143942304 = 25311136309
BaseRepresentation
bin10001001010001…
…10001010100000
3101000212000201110
420211012022200
5243322123204
622141103320
73365326602
oct1045061240
9330760643
10143942304
1174284a90
1240257b40
1323a8a87c
141518d172
15c984889
hex89462a0

143942304 has 48 divisors (see below), whose sum is σ = 412201440. Its totient is φ = 43618560.

The previous prime is 143942299. The next prime is 143942327. The reversal of 143942304 is 403249341.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67099 + ... + 69210.

It is an arithmetic number, because the mean of its divisors is an integer number (8587530).

Almost surely, 2143942304 is an apocalyptic number.

It is an amenable number.

143942304 is an abundant number, since it is smaller than the sum of its proper divisors (268259136).

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

143942304 is a wasteful number, since it uses less digits than its factorization.

143942304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136333 (or 136325 counting only the distinct ones).

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

The square root of 143942304 is about 11997.5957591511. The cubic root of 143942304 is about 524.0782665758.

The spelling of 143942304 in words is "one hundred forty-three million, nine hundred forty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 136309 272618 408927 545236 817854 1090472 1499399 1635708 2180944 2998798 3271416 4361888 4498197 5997596 6542832 8996394 11995192 13085664 17992788 23990384 35985576 47980768 71971152 143942304