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93143380 = 2251133499
BaseRepresentation
bin1011000110101…
…00000101010100
320111021011200211
411203110011110
5142321042010
613124215204
72210464021
oct543240524
9214234624
1093143380
1148639000
122723a504
13163b2935
14c528548
15829d08a
hex58d4154

93143380 has 48 divisors (see below), whose sum is σ = 215208000. Its totient is φ = 33860640.

The previous prime is 93143341. The next prime is 93143383. The reversal of 93143380 is 8334139.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93143383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24871 + ... + 28369.

It is an arithmetic number, because the mean of its divisors is an integer number (4483500).

Almost surely, 293143380 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 93143380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107604000).

93143380 is an abundant number, since it is smaller than the sum of its proper divisors (122064620).

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

93143380 is a wasteful number, since it uses less digits than its factorization.

93143380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541 (or 3517 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 93143380 is about 9651.0818046476. The cubic root of 93143380 is about 453.2982034965.

The spelling of 93143380 in words is "ninety-three million, one hundred forty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1331 2420 2662 3499 5324 6655 6998 13310 13996 17495 26620 34990 38489 69980 76978 153956 192445 384890 423379 769780 846758 1693516 2116895 4233790 4657169 8467580 9314338 18628676 23285845 46571690 93143380