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897351480 = 233355361257
BaseRepresentation
bin110101011111000…
…111111100111000
32022112112011211000
4311133013330320
53314210221410
6225013205000
731144235034
oct6537077470
92275464730
10897351480
114205934a3
12210630760
13113baa00c
148726b1c4
1553ba6dc0
hex357c7f38

897351480 has 256 divisors, whose sum is σ = 3109622400. Its totient is φ = 230031360.

The previous prime is 897351479. The next prime is 897351487. The reversal of 897351480 is 84153798.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897351487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3491512 + ... + 3491768.

Almost surely, 2897351480 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 897351480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554811200).

897351480 is an abundant number, since it is smaller than the sum of its proper divisors (2212270920).

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

897351480 is a wasteful number, since it uses less digits than its factorization.

897351480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 897351480 is about 29955.8254768584. The cubic root of 897351480 is about 964.5413733404.

The spelling of 897351480 in words is "eight hundred ninety-seven million, three hundred fifty-one thousand, four hundred eighty".