Search a number
-
+
897342072 = 233114182903
BaseRepresentation
bin110101011111000…
…101101001111000
32022112111200220120
4311133011221320
53314204421242
6225013053240
731144165434
oct6537055170
92275450816
10897342072
11420587420
12210627220
13113ba5953
14872679c4
1553ba41ec
hex357c5a78

897342072 has 64 divisors (see below), whose sum is σ = 2507016960. Its totient is φ = 265286400.

The previous prime is 897342049. The next prime is 897342097. The reversal of 897342072 is 270243798.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30628 + ... + 52275.

It is an arithmetic number, because the mean of its divisors is an integer number (39172140).

Almost surely, 2897342072 is an apocalyptic number.

897342072 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

897342072 is an abundant number, since it is smaller than the sum of its proper divisors (1609674888).

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

897342072 is a wasteful number, since it uses less digits than its factorization.

897342072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82964 (or 82960 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 897342072 is about 29955.6684452208. The cubic root of 897342072 is about 964.5380025182.

It can be divided in two parts, 89734 and 2072, that added together give a triangular number (91806 = T428).

The spelling of 897342072 in words is "eight hundred ninety-seven million, three hundred forty-two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 41 44 66 82 88 123 132 164 246 264 328 451 492 902 984 1353 1804 2706 3608 5412 10824 82903 165806 248709 331612 497418 663224 911933 994836 1823866 1989672 2735799 3399023 3647732 5471598 6798046 7295464 10197069 10943196 13596092 20394138 21886392 27192184 37389253 40788276 74778506 81576552 112167759 149557012 224335518 299114024 448671036 897342072