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105720752 = 248379609
BaseRepresentation
bin1100100110100…
…10101110110000
321100221011121102
412103102232300
5204031031002
614253543532
72422416524
oct623225660
9240834542
10105720752
1154749625
122b4a4ba8
1318b97677
141007dd84
159434a02
hex64d2bb0

105720752 has 20 divisors (see below), whose sum is σ = 207304440. Its totient is φ = 52222848.

The previous prime is 105720749. The next prime is 105720761. The reversal of 105720752 is 257027501.

It is a super-2 number, since 2×1057207522 = 22353754806891008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38477 + ... + 41132.

It is an arithmetic number, because the mean of its divisors is an integer number (10365222).

Almost surely, 2105720752 is an apocalyptic number.

It is an amenable number.

105720752 is a deficient number, since it is larger than the sum of its proper divisors (101583688).

105720752 is an equidigital number, since it uses as much as digits as its factorization.

105720752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79700 (or 79694 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 105720752 is about 10282.0597158351. The cubic root of 105720752 is about 472.8463938105.

The spelling of 105720752 in words is "one hundred five million, seven hundred twenty thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 83 166 332 664 1328 79609 159218 318436 636872 1273744 6607547 13215094 26430188 52860376 105720752