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45001541 = 136615237
BaseRepresentation
bin1010101110101…
…0101101000101
310010200022111202
42223222231011
543010022131
64244312245
71054335554
oct253525505
9103608452
1045001541
1123447362
12130a2685
139428240
145d95d9b
153e3dbcb
hex2aeab45

45001541 has 8 divisors (see below), whose sum is σ = 48545784. Its totient is φ = 41469120.

The previous prime is 45001531. The next prime is 45001543. The reversal of 45001541 is 14510054.

It can be written as a sum of positive squares in 4 ways, for example, as 12397441 + 32604100 = 3521^2 + 5710^2 .

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 45001541 - 210 = 45000517 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 (45001543) 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, 5975 + ... + 11211.

It is an arithmetic number, because the mean of its divisors is an integer number (6068223).

Almost surely, 245001541 is an apocalyptic number.

It is an amenable number.

45001541 is a deficient number, since it is larger than the sum of its proper divisors (3544243).

45001541 is a wasteful number, since it uses less digits than its factorization.

45001541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 45001541 is about 6708.3187908745. The cubic root of 45001541 is about 355.6933905305.

Adding to 45001541 its reverse (14510054), we get a palindrome (59511595).

The spelling of 45001541 in words is "forty-five million, one thousand, five hundred forty-one".

Divisors: 1 13 661 5237 8593 68081 3461657 45001541