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54473380 = 225131911027
BaseRepresentation
bin1100111111001…
…1001010100100
310210111112102121
43033303022210
5102421122010
65223315324
71231005343
oct317631244
9123445377
1054473380
1128826725
12162abb44
13b393590
14733db5a
154bb03da
hex33f32a4

54473380 has 48 divisors (see below), whose sum is σ = 129689280. Its totient is φ = 19052928.

The previous prime is 54473371. The next prime is 54473387. The reversal of 54473380 is 8337445.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (54473387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574 + ... + 10453.

It is an arithmetic number, because the mean of its divisors is an integer number (2701860).

Almost surely, 254473380 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 54473380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64844640).

54473380 is an abundant number, since it is smaller than the sum of its proper divisors (75215900).

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

54473380 is a wasteful number, since it uses less digits than its factorization.

54473380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068 (or 11066 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 54473380 is about 7380.6083760080. The cubic root of 54473380 is about 379.0775873069.

The spelling of 54473380 in words is "fifty-four million, four hundred seventy-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 11027 22054 44108 55135 110270 143351 209513 220540 286702 419026 573404 716755 838052 1047565 1433510 2095130 2723669 2867020 4190260 5447338 10894676 13618345 27236690 54473380