Search a number
-
+
1072067672 = 2313411032441
BaseRepresentation
bin111111111001100…
…111010001011000
32202201021200101002
4333321213101120
54143422131142
6254214044132
735365265504
oct7771472130
92681250332
101072067672
11500177345
1225b049648
13141150b90
14a254b304
15641b9a32
hex3fe67458

1072067672 has 64 divisors (see below), whose sum is σ = 2239997760. Its totient is φ = 477849600.

The previous prime is 1072067671. The next prime is 1072067747. The reversal of 1072067672 is 2767602701.

It is a super-2 number, since 2×10720676722 = 2298658186694999168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072067671) 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, 437972 + ... + 440412.

It is an arithmetic number, because the mean of its divisors is an integer number (34999965).

Almost surely, 21072067672 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 1072067672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119998880).

1072067672 is an abundant number, since it is smaller than the sum of its proper divisors (1167930088).

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

1072067672 is a wasteful number, since it uses less digits than its factorization.

1072067672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604 (or 2600 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 1072067672 is about 32742.4445025108. Note that the first 3 decimals coincide. The cubic root of 1072067672 is about 1023.4675245751.

The spelling of 1072067672 in words is "one billion, seventy-two million, sixty-seven thousand, six hundred seventy-two".

Divisors: 1 2 4 8 13 26 41 52 82 103 104 164 206 328 412 533 824 1066 1339 2132 2441 2678 4223 4264 4882 5356 8446 9764 10712 16892 19528 31733 33784 54899 63466 100081 109798 126932 200162 219596 251423 253864 400324 439192 502846 800648 1005692 1301053 2011384 2602106 3268499 5204212 6536998 10308343 10408424 13073996 20616686 26147992 41233372 82466744 134008459 268016918 536033836 1072067672