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672825045 = 351271512339
BaseRepresentation
bin101000000110100…
…111111011010101
31201220001001110010
4220012213323111
52334220400140
6150432550433
722446630024
oct5006477325
91656031403
10672825045
11315879462
121693b2419
13a9516239
14655028bb
153e105880
hex281a7ed5

672825045 has 32 divisors (see below), whose sum is σ = 1092648960. Its totient is φ = 353505600.

The previous prime is 672825001. The next prime is 672825061. The reversal of 672825045 is 540528276.

It is not a de Polignac number, because 672825045 - 27 = 672824917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 672824994 and 672825012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286486 + ... + 288824.

It is an arithmetic number, because the mean of its divisors is an integer number (34145280).

Almost surely, 2672825045 is an apocalyptic number.

It is an amenable number.

672825045 is a deficient number, since it is larger than the sum of its proper divisors (419823915).

672825045 is a wasteful number, since it uses less digits than its factorization.

672825045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 672825045 is about 25938.8713131470. The cubic root of 672825045 is about 876.2621437156.

It can be divided in two parts, 67282 and 5045, that added together give a palindrome (72327).

The spelling of 672825045 in words is "six hundred seventy-two million, eight hundred twenty-five thousand, forty-five".

Divisors: 1 3 5 15 127 151 381 453 635 755 1905 2265 2339 7017 11695 19177 35085 57531 95885 287655 297053 353189 891159 1059567 1485265 1765945 4455795 5297835 44855003 134565009 224275015 672825045