Search a number
-
+
105486240 = 2535219763
BaseRepresentation
bin1100100100110…
…01011110100000
321100111020220210
412102121132200
5204001024430
614244534120
72420422026
oct622313640
9240436823
10105486240
11545a9412
122b3b1340
1318b149c2
141001c716
1593da2b0
hex64997a0

105486240 has 48 divisors (see below), whose sum is σ = 332283168. Its totient is φ = 28129536.

The previous prime is 105486229. The next prime is 105486287. The reversal of 105486240 is 42684501.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1054862402 = 22254693658675200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 105486198 and 105486207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109402 + ... + 110361.

It is an arithmetic number, because the mean of its divisors is an integer number (6922566).

Almost surely, 2105486240 is an apocalyptic number.

105486240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105486240 is an abundant number, since it is smaller than the sum of its proper divisors (226796928).

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

105486240 is a wasteful number, since it uses less digits than its factorization.

105486240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219781 (or 219773 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 105486240 is about 10270.6494439252. The cubic root of 105486240 is about 472.4965090305.

The spelling of 105486240 in words is "one hundred five million, four hundred eighty-six thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 219763 439526 659289 879052 1098815 1318578 1758104 2197630 2637156 3296445 3516208 4395260 5274312 6592890 7032416 8790520 10548624 13185780 17581040 21097248 26371560 35162080 52743120 105486240