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60681672 = 2332842801
BaseRepresentation
bin1110011101111…
…0110111001000
311020011221121100
43213132313020
5111013303142
610004341400
71334533332
oct347366710
9136157540
1060681672
1131287047
12183a4860
13c75831c
1480b8452
1554d9b4c
hex39dedc8

60681672 has 24 divisors (see below), whose sum is σ = 164346390. Its totient is φ = 20227200.

The previous prime is 60681637. The next prime is 60681679. The reversal of 60681672 is 27618606.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57244356 + 3437316 = 7566^2 + 1854^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (60681679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421329 + ... + 421472.

Almost surely, 260681672 is an apocalyptic number.

It is an amenable number.

60681672 is an abundant number, since it is smaller than the sum of its proper divisors (103664718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60681672 is a wasteful number, since it uses less digits than its factorization.

60681672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842813 (or 842806 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 60681672 is about 7789.8441576196. The cubic root of 60681672 is about 392.9637711101.

Subtracting from 60681672 its sum of digits (36), we obtain a triangular number (60681636 = T11016).

The spelling of 60681672 in words is "sixty million, six hundred eighty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 842801 1685602 2528403 3371204 5056806 6742408 7585209 10113612 15170418 20227224 30340836 60681672