Search a number
-
+
30200448 = 273314359
BaseRepresentation
bin111001100110…
…1001010000000
32002211100020010
41303031022000
530212403243
62555144520
7514461645
oct163151200
962740203
1030200448
1116058053
12a145140
1363452b5
144021dcc
1529b8433
hex1ccd280

30200448 has 128 divisors (see below), whose sum is σ = 86169600. Its totient is φ = 9354240.

The previous prime is 30200441. The next prime is 30200501. The reversal of 30200448 is 84400203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (30200441) 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, 511843 + ... + 511901.

It is an arithmetic number, because the mean of its divisors is an integer number (673200).

Almost surely, 230200448 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 30200448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43084800).

30200448 is an abundant number, since it is smaller than the sum of its proper divisors (55969152).

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

30200448 is a wasteful number, since it uses less digits than its factorization.

30200448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 30200448 is about 5495.4934264359. The cubic root of 30200448 is about 311.4137577973.

The spelling of 30200448 in words is "thirty million, two hundred thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 31 32 43 48 59 62 64 86 93 96 118 124 128 129 172 177 186 192 236 248 258 344 354 372 384 472 496 516 688 708 744 944 992 1032 1333 1376 1416 1488 1829 1888 1984 2064 2537 2666 2752 2832 2976 3658 3776 3968 3999 4128 5074 5332 5487 5504 5664 5952 7316 7552 7611 7998 8256 10148 10664 10974 11328 11904 14632 15222 15996 16512 20296 21328 21948 22656 29264 30444 31992 40592 42656 43896 58528 60888 63984 78647 81184 85312 87792 117056 121776 127968 157294 162368 170624 175584 234112 235941 243552 255936 314588 324736 351168 471882 487104 511872 629176 702336 943764 974208 1258352 1887528 2516704 3775056 5033408 7550112 10066816 15100224 30200448