Search a number
-
+
55101480 = 2335729371
BaseRepresentation
bin1101001000110…
…0100000101000
310211200110000120
43102030200220
5103101221410
65245003240
71236232500
oct322144050
9124613016
1055101480
1129115615
1216553520
13b553435
147464a00
154c86570
hex348c828

55101480 has 96 divisors (see below), whose sum is σ = 192313440. Its totient is φ = 12593280.

The previous prime is 55101451. The next prime is 55101509. The reversal of 55101480 is 8410155.

It is an interprime number because it is at equal distance from previous prime (55101451) and next prime (55101509).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 55101480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1195 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (2003265).

Almost surely, 255101480 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 55101480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96156720).

55101480 is an abundant number, since it is smaller than the sum of its proper divisors (137211960).

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

55101480 is a wasteful number, since it uses less digits than its factorization.

55101480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9399 (or 9388 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 55101480 is about 7423.0371142815. The cubic root of 55101480 is about 380.5289954725.

The spelling of 55101480 in words is "fifty-five million, one hundred one thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 980 1176 1470 1960 2940 5880 9371 18742 28113 37484 46855 56226 65597 74968 93710 112452 131194 140565 187420 196791 224904 262388 281130 327985 374840 393582 459179 524776 562260 655970 787164 918358 983955 1124520 1311940 1377537 1574328 1836716 1967910 2295895 2623880 2755074 3673432 3935820 4591790 5510148 6887685 7871640 9183580 11020296 13775370 18367160 27550740 55101480