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54898830 = 2335731937
BaseRepresentation
bin1101000101101…
…1000010001110
310211022011001000
43101123002032
5103023230310
65240401130
71234426620
oct321330216
9124264030
1054898830
1128a97338
12164761a6
13b4b211c
147410c10
154c464c0
hex345b08e

54898830 has 128 divisors (see below), whose sum is σ = 172892160. Its totient is φ = 12130560.

The previous prime is 54898829. The next prime is 54898859. The reversal of 54898830 is 3889845.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58122 + ... + 59058.

It is an arithmetic number, because the mean of its divisors is an integer number (1350720).

Almost surely, 254898830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54898830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86446080).

54898830 is an abundant number, since it is smaller than the sum of its proper divisors (117993330).

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

54898830 is a wasteful number, since it uses less digits than its factorization.

54898830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 54898830 is about 7409.3744675242. The cubic root of 54898830 is about 380.0619243497.

The spelling of 54898830 in words is "fifty-four million, eight hundred ninety-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 31 35 42 45 54 62 63 70 90 93 105 126 135 155 186 189 210 217 270 279 310 315 378 434 465 558 630 651 837 930 937 945 1085 1302 1395 1674 1874 1890 1953 2170 2790 2811 3255 3906 4185 4685 5622 5859 6510 6559 8370 8433 9370 9765 11718 13118 14055 16866 19530 19677 25299 28110 29047 29295 32795 39354 42165 50598 58094 58590 59031 65590 84330 87141 98385 118062 126495 145235 174282 177093 196770 203329 252990 261423 290470 295155 354186 406658 435705 522846 590310 609987 784269 871410 885465 1016645 1219974 1307115 1568538 1770930 1829961 2033290 2614230 3049935 3659922 3921345 5489883 6099870 7842690 9149805 10979766 18299610 27449415 54898830