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372081072 = 243113312129
BaseRepresentation
bin10110001011011…
…000000110110000
3221221010200021110
4112023120012300
51230223043242
6100530553320
712135431316
oct2613300660
9857120243
10372081072
11181037020
12a4738840
135c11791c
14375b80b6
15229eb39c
hex162d81b0

372081072 has 80 divisors (see below), whose sum is σ = 1052254080. Its totient is φ = 112358400.

The previous prime is 372081067. The next prime is 372081079. The reversal of 372081072 is 270180273.

372081072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (372081079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173704 + ... + 175832.

It is an arithmetic number, because the mean of its divisors is an integer number (13153176).

Almost surely, 2372081072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 372081072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526127040).

372081072 is an abundant number, since it is smaller than the sum of its proper divisors (680173008).

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

372081072 is a wasteful number, since it uses less digits than its factorization.

372081072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482 (or 2476 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 372081072 is about 19289.4031011849. The cubic root of 372081072 is about 719.2488771753.

The spelling of 372081072 in words is "three hundred seventy-two million, eighty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 331 528 662 993 1324 1986 2129 2648 3641 3972 4258 5296 6387 7282 7944 8516 10923 12774 14564 15888 17032 21846 23419 25548 29128 34064 43692 46838 51096 58256 70257 87384 93676 102192 140514 174768 187352 281028 374704 562056 704699 1124112 1409398 2114097 2818796 4228194 5637592 7751689 8456388 11275184 15503378 16912776 23255067 31006756 33825552 46510134 62013512 93020268 124027024 186040536 372081072