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53920350 = 23352113631
BaseRepresentation
bin1100110110110…
…0001001011110
310202110102211000
43031230021132
5102300422400
65203411130
71223213121
oct315541136
9122412730
1053920350
1128489180
1216083aa6
13b22b943
1472383b8
154b01600
hex336c25e

53920350 has 96 divisors (see below), whose sum is σ = 162132480. Its totient is φ = 13068000.

The previous prime is 53920343. The next prime is 53920351. The reversal of 53920350 is 5302935.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53920351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13035 + ... + 16665.

It is an arithmetic number, because the mean of its divisors is an integer number (1688880).

Almost surely, 253920350 is an apocalyptic number.

53920350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53920350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81066240).

53920350 is an abundant number, since it is smaller than the sum of its proper divisors (108212130).

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

53920350 is a wasteful number, since it uses less digits than its factorization.

53920350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 53920350 is about 7343.0477323792. The cubic root of 53920350 is about 377.7903851681.

The spelling of 53920350 in words is "fifty-three million, nine hundred twenty thousand, three hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 27 30 33 45 50 54 55 66 75 90 99 110 135 150 165 198 225 270 275 297 330 450 495 550 594 675 825 990 1350 1485 1650 2475 2970 3631 4950 7262 7425 10893 14850 18155 21786 32679 36310 39941 54465 65358 79882 90775 98037 108930 119823 163395 181550 196074 199705 239646 272325 326790 359469 399410 490185 544650 599115 718938 816975 980370 998525 1078407 1198230 1633950 1797345 1997050 2156814 2450925 2995575 3594690 4901850 5392035 5991150 8986725 10784070 17973450 26960175 53920350