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45239077 = 137574597
BaseRepresentation
bin1010110010010…
…0101100100101
310011010101100101
42230210230211
543040122302
64253344101
71056345232
oct254445445
9104111311
1045239077
1123599874
1213198031
1394ac3b0
146018789
153e89287
hex2b24b25

45239077 has 8 divisors (see below), whose sum is σ = 48793976. Its totient is φ = 41694912.

The previous prime is 45239071. The next prime is 45239083. The reversal of 45239077 is 77093254.

It is a Cunningham number, because it is equal to 67262+1.

It is an interprime number because it is at equal distance from previous prime (45239071) and next prime (45239083).

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 45239076 = 1^2 + 6726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45239077 - 23 = 45239069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45239071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7543 + ... + 12139.

It is an arithmetic number, because the mean of its divisors is an integer number (6099247).

Almost surely, 245239077 is an apocalyptic number.

It is an amenable number.

45239077 is a deficient number, since it is larger than the sum of its proper divisors (3554899).

45239077 is a wasteful number, since it uses less digits than its factorization.

45239077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5367.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 45239077 is about 6726.0000743384. Note that the first 4 decimals coincide. The cubic root of 45239077 is about 356.3181229323.

The spelling of 45239077 in words is "forty-five million, two hundred thirty-nine thousand, seventy-seven".

Divisors: 1 13 757 4597 9841 59761 3479929 45239077