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54325990 = 2529376183
BaseRepresentation
bin1100111100111…
…1001011100110
310210020001020201
43033033023212
5102401412430
65220221114
71226522545
oct317171346
9123201221
1054325990
1128735a14
121623a79a
13b341474
14730215c
154b818ca
hex33cf2e6

54325990 has 64 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 19837440.

The previous prime is 54325987. The next prime is 54325991. The reversal of 54325990 is 9952345.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54325991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 654489 + ... + 654571.

It is an arithmetic number, because the mean of its divisors is an integer number (1669815).

Almost surely, 254325990 is an apocalyptic number.

54325990 is a deficient number, since it is larger than the sum of its proper divisors (52542170).

54325990 is a wasteful number, since it uses less digits than its factorization.

54325990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 54325990 is about 7370.6166634821. The cubic root of 54325990 is about 378.7353852189.

The spelling of 54325990 in words is "fifty-four million, three hundred twenty-five thousand, nine hundred ninety".

Divisors: 1 2 5 10 29 37 58 61 74 83 122 145 166 185 290 305 370 415 610 830 1073 1769 2146 2257 2407 3071 3538 4514 4814 5063 5365 6142 8845 10126 10730 11285 12035 15355 17690 22570 24070 25315 30710 50630 65453 89059 130906 146827 178118 187331 293654 327265 374662 445295 654530 734135 890590 936655 1468270 1873310 5432599 10865198 27162995 54325990