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392436101 = 7397157353
BaseRepresentation
bin10111011001000…
…001100110000101
31000100102211010102
4113121001212011
51300430423401
6102535133445
712503436401
oct2731014605
91010384112
10392436101
1119157a062
12ab514285
13633c3815
143a196101
15246bc56b
hex17641985

392436101 has 16 divisors (see below), whose sum is σ = 405618864. Its totient is φ = 379551744.

The previous prime is 392436071. The next prime is 392436113. The reversal of 392436101 is 101634293.

It is a Cunningham number, because it is equal to 198102+1.

It can be written as a sum of positive squares in 8 ways, for example, as 8236900 + 384199201 = 2870^2 + 19601^2 .

It is a cyclic number.

It is not a de Polignac number, because 392436101 - 214 = 392419717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392436131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1111541 + ... + 1111893.

It is an arithmetic number, because the mean of its divisors is an integer number (25351179).

Almost surely, 2392436101 is an apocalyptic number.

It is an amenable number.

392436101 is a deficient number, since it is larger than the sum of its proper divisors (13182763).

392436101 is a wasteful number, since it uses less digits than its factorization.

392436101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 392436101 is about 19810.0000252398. Note that the first 4 decimals coincide. The cubic root of 392436101 is about 732.1324405518.

The spelling of 392436101 in words is "three hundred ninety-two million, four hundred thirty-six thousand, one hundred one".

Divisors: 1 73 97 157 353 7081 11461 15229 25769 34241 55421 1111717 2499593 4045733 5375837 392436101