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46280809 = 68032
BaseRepresentation
bin1011000010001…
…1000001101001
310020002022100001
42300203001221
543321441214
64331543001
71101244321
oct260430151
9106068301
1046280809
1124140503
12135baa61
1397855c3
14620a281
1540e2c74
hex2c23069

46280809 has 3 divisors (see below), whose sum is σ = 46287613. Its totient is φ = 46274006.

The previous prime is 46280803. The next prime is 46280813. The reversal of 46280809 is 90808264.

The square root of 46280809 is 6803.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 46280809 - 217 = 46149737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46280803) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3402 + ... + 10204.

Almost surely, 246280809 is an apocalyptic number.

46280809 is the 6803-rd square number.

46280809 is the 3402-nd centered octagonal number.

It is an amenable number.

46280809 is a deficient number, since it is larger than the sum of its proper divisors (6804).

46280809 is an frugal number, since it uses more digits than its factorization.

46280809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13606 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The cubic root of 46280809 is about 359.0324042310.

It can be divided in two parts, 46280 and 809, that added together give a square (47089 = 2172).

The spelling of 46280809 in words is "forty-six million, two hundred eighty thousand, eight hundred nine".

Divisors: 1 6803 46280809