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105157772 = 2289295387
BaseRepresentation
bin1100100010010…
…01010010001100
321022212120100022
412101021102030
5203410022042
614233521312
72414553266
oct621112214
9238776308
10105157772
11543a4655
122b273238
1318a2b345
14dd74b36
159372cd2
hex644948c

105157772 has 12 divisors (see below), whose sum is σ = 186094440. Its totient is φ = 51987936.

The previous prime is 105157739. The next prime is 105157783. The reversal of 105157772 is 277751501.

It is a happy number.

It is a super-2 number, since 2×1051577722 = 22116314024007968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147338 + ... + 148049.

It is an arithmetic number, because the mean of its divisors is an integer number (15507870).

Almost surely, 2105157772 is an apocalyptic number.

It is an amenable number.

105157772 is a deficient number, since it is larger than the sum of its proper divisors (80936668).

105157772 is a wasteful number, since it uses less digits than its factorization.

105157772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295480 (or 295478 counting only the distinct ones).

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 105157772 is about 10254.6463615280. The cubic root of 105157772 is about 472.0055718484.

The spelling of 105157772 in words is "one hundred five million, one hundred fifty-seven thousand, seven hundred seventy-two".

Divisors: 1 2 4 89 178 356 295387 590774 1181548 26289443 52578886 105157772