Search a number
-
+
101455240 = 2352536381
BaseRepresentation
bin1100000110000…
…01010110001000
321001220110102111
412003001112020
5201433031430
614022312104
72341232605
oct603012610
9231813374
10101455240
11522a5907
1229b88634
1318032cb3
14d68d6ac
158d90c2a
hex60c1588

101455240 has 16 divisors (see below), whose sum is σ = 228274380. Its totient is φ = 40582080.

The previous prime is 101455229. The next prime is 101455241. The reversal of 101455240 is 42554101.

It can be written as a sum of positive squares in 2 ways, for example, as 94517284 + 6937956 = 9722^2 + 2634^2 .

It is not an unprimeable number, because it can be changed into a prime (101455241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1268151 + ... + 1268230.

Almost surely, 2101455240 is an apocalyptic number.

101455240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101455240 is an abundant number, since it is smaller than the sum of its proper divisors (126819140).

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

101455240 is a wasteful number, since it uses less digits than its factorization.

101455240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536392 (or 2536388 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 101455240 is about 10072.4991933482. The cubic root of 101455240 is about 466.3995909445.

The spelling of 101455240 in words is "one hundred one million, four hundred fifty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2536381 5072762 10145524 12681905 20291048 25363810 50727620 101455240