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672025141 = 13725119543
BaseRepresentation
bin101000000011100…
…100101000110101
31201211112102012001
4220003210220311
52334014301031
6150403455301
722440055654
oct5003445065
91654472161
10672025141
11315382487
12169087531
13a92c6118
146537519b
153dee8861
hex280e4a35

672025141 has 8 divisors (see below), whose sum is σ = 679662144. Its totient is φ = 664428000.

The previous prime is 672025139. The next prime is 672025171. The reversal of 672025141 is 141520276.

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 672025141 - 21 = 672025139 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 (672025111) 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, 24616 + ... + 44158.

It is an arithmetic number, because the mean of its divisors is an integer number (84957768).

Almost surely, 2672025141 is an apocalyptic number.

It is an amenable number.

672025141 is a deficient number, since it is larger than the sum of its proper divisors (7637003).

672025141 is a wasteful number, since it uses less digits than its factorization.

672025141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 672025141 is about 25923.4477066612. The cubic root of 672025141 is about 875.9147510051.

The spelling of 672025141 in words is "six hundred seventy-two million, twenty-five thousand, one hundred forty-one".

Divisors: 1 137 251 19543 34387 2677391 4905293 672025141