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45071001 = 327963391
BaseRepresentation
bin1010101111101…
…1101010011001
310010210211210100
42223323222121
543014233001
64250010013
71055045223
oct253735231
9103724710
1045071001
1123494568
1213116909
139450a41
145db3413
153e54586
hex2afba99

45071001 has 12 divisors (see below), whose sum is σ = 65927680. Its totient is φ = 29666520.

The previous prime is 45070999. The next prime is 45071027. The reversal of 45071001 is 10017054.

It is not a de Polignac number, because 45071001 - 21 = 45070999 is a prime.

It is a super-2 number, since 2×450710012 = 4062790262284002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45071051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30985 + ... + 32406.

Almost surely, 245071001 is an apocalyptic number.

It is an amenable number.

45071001 is a deficient number, since it is larger than the sum of its proper divisors (20856679).

45071001 is a wasteful number, since it uses less digits than its factorization.

45071001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63476 (or 63473 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 45071001 is about 6713.4939487572. The cubic root of 45071001 is about 355.8763010246.

Adding to 45071001 its reverse (10017054), we get a palindrome (55088055).

The spelling of 45071001 in words is "forty-five million, seventy-one thousand, one".

Divisors: 1 3 9 79 237 711 63391 190173 570519 5007889 15023667 45071001