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36140761 = 311165831
BaseRepresentation
bin1000100111011…
…1011011011001
32112000010210201
42021313123121
533223001021
63330342201
7616122436
oct211673331
975003721
1036140761
11194450a8
121012a961
137645087
144b2ab8d
15328d591
hex22776d9

36140761 has 4 divisors (see below), whose sum is σ = 37306624. Its totient is φ = 34974900.

The previous prime is 36140747. The next prime is 36140777. The reversal of 36140761 is 16704163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16704163 = 72386309.

It is a cyclic number.

It is not a de Polignac number, because 36140761 - 221 = 34043609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36140701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582885 + ... + 582946.

It is an arithmetic number, because the mean of its divisors is an integer number (9326656).

Almost surely, 236140761 is an apocalyptic number.

36140761 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36140761 is a deficient number, since it is larger than the sum of its proper divisors (1165863).

36140761 is a wasteful number, since it uses less digits than its factorization.

36140761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165862.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 36140761 is about 6011.7186394574. The cubic root of 36140761 is about 330.6225194478.

The spelling of 36140761 in words is "thirty-six million, one hundred forty thousand, seven hundred sixty-one".

Divisors: 1 31 1165831 36140761