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101450540 = 22513936493
BaseRepresentation
bin1100000110000…
…00001100101100
321001220012222102
412003000030230
5201432404130
614022234232
72341213112
oct603001454
9231805872
10101450540
11522a2324
1229b85978
1318030b09
14d68bab2
158d8e645
hex60c032c

101450540 has 24 divisors (see below), whose sum is σ = 214584720. Its totient is φ = 40287168.

The previous prime is 101450537. The next prime is 101450549. The reversal of 101450540 is 45054101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (101450549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15467 + ... + 21026.

It is an arithmetic number, because the mean of its divisors is an integer number (8941030).

Almost surely, 2101450540 is an apocalyptic number.

101450540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101450540 is an abundant number, since it is smaller than the sum of its proper divisors (113134180).

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

101450540 is a wasteful number, since it uses less digits than its factorization.

101450540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36641 (or 36639 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 101450540 is about 10072.2658821141. The cubic root of 101450540 is about 466.3923887145.

The spelling of 101450540 in words is "one hundred one million, four hundred fifty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 36493 72986 145972 182465 364930 729860 5072527 10145054 20290108 25362635 50725270 101450540