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105250272 = 2531923037
BaseRepresentation
bin1100100010111…
…11110111100000
321100001021020020
412101133313200
5203421002042
614235513440
72415420051
oct621376740
9240037206
10105250272
11544580a6
122b2b8880
1318a6148a
14dd9a728
1593903ec
hex645fde0

105250272 has 72 divisors (see below), whose sum is σ = 291684456. Its totient is φ = 33225984.

The previous prime is 105250267. The next prime is 105250279. The reversal of 105250272 is 272052501.

It is a super-2 number, since 2×1052502722 = 22155239512147968, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105250279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33138 + ... + 36174.

It is an arithmetic number, because the mean of its divisors is an integer number (4051173).

Almost surely, 2105250272 is an apocalyptic number.

105250272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105250272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145842228).

105250272 is an abundant number, since it is smaller than the sum of its proper divisors (186434184).

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

105250272 is a wasteful number, since it uses less digits than its factorization.

105250272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 105250272 is about 10259.1555208019. The cubic root of 105250272 is about 472.1439281459.

The spelling of 105250272 in words is "one hundred five million, two hundred fifty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 361 456 608 722 912 1083 1444 1824 2166 2888 3037 4332 5776 6074 8664 9111 11552 12148 17328 18222 24296 34656 36444 48592 57703 72888 97184 115406 145776 173109 230812 291552 346218 461624 692436 923248 1096357 1384872 1846496 2192714 2769744 3289071 4385428 5539488 6578142 8770856 13156284 17541712 26312568 35083424 52625136 105250272