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45012007 = 192671861
BaseRepresentation
bin1010101110110…
…1010000100111
310010200211212101
42223231100213
543010341012
64244432531
71054411225
oct253552047
9103624771
1045012007
1123454207
12130a8747
13942cc31
145d99b15
153e41d57
hex2aed427

45012007 has 12 divisors (see below), whose sum is σ = 48240696. Its totient is φ = 41983920.

The previous prime is 45011983. The next prime is 45012029. The reversal of 45012007 is 70021054.

It is a de Polignac number, because none of the positive numbers 2k-45012007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45012047) 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, 23257 + ... + 25117.

It is an arithmetic number, because the mean of its divisors is an integer number (4020058).

Almost surely, 245012007 is an apocalyptic number.

45012007 is the 3874-th hex number.

45012007 is a deficient number, since it is larger than the sum of its proper divisors (3228689).

45012007 is a wasteful number, since it uses less digits than its factorization.

45012007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 45012007 is about 6709.0988217495. The cubic root of 45012007 is about 355.7209629083.

The spelling of 45012007 in words is "forty-five million, twelve thousand, seven".

Divisors: 1 19 67 361 1273 1861 24187 35359 124687 671821 2369053 45012007