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10018772 = 222504693
BaseRepresentation
bin100110001101…
…111111010100
3200212000011122
4212031333110
510031100042
6554423112
7151105151
oct46157724
920760148
1010018772
115723285
123431a98
1320ca28a
14148b228
15d2d7d2
hex98dfd4

10018772 has 6 divisors (see below), whose sum is σ = 17532858. Its totient is φ = 5009384.

The previous prime is 10018769. The next prime is 10018783. The reversal of 10018772 is 27781001.

It can be written as a sum of positive squares in only one way, i.e., 5541316 + 4477456 = 2354^2 + 2116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252343 + ... + 1252350.

It is an arithmetic number, because the mean of its divisors is an integer number (2922143).

Almost surely, 210018772 is an apocalyptic number.

It is an amenable number.

10018772 is a deficient number, since it is larger than the sum of its proper divisors (7514086).

10018772 is a wasteful number, since it uses less digits than its factorization.

10018772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2504697 (or 2504695 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 26.

The square root of 10018772 is about 3165.2443823503. The cubic root of 10018772 is about 215.5781948958.

Adding to 10018772 its reverse (27781001), we get a palindrome (37799773).

The spelling of 10018772 in words is "ten million, eighteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 2504693 5009386 10018772