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897856248 = 233191968983
BaseRepresentation
bin110101100001000…
…011001011111000
32022120110211020010
4311201003023320
53314322344443
6225032101520
731151436462
oct6541031370
92276424203
10897856248
114208a8763
122108348a0
131140259b3
148735d132
1553c56733
hex358432f8

897856248 has 32 divisors (see below), whose sum is σ = 2362780800. Its totient is φ = 283533408.

The previous prime is 897856237. The next prime is 897856249. The reversal of 897856248 is 842658798.

It is a super-2 number, since 2×8978562482 = 1612291684145275008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897856249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984036 + ... + 984947.

It is an arithmetic number, because the mean of its divisors is an integer number (73836900).

Almost surely, 2897856248 is an apocalyptic number.

It is an amenable number.

897856248 is an abundant number, since it is smaller than the sum of its proper divisors (1464924552).

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

897856248 is a wasteful number, since it uses less digits than its factorization.

897856248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969011 (or 1969007 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 57.

The square root of 897856248 is about 29964.2494983605. The cubic root of 897856248 is about 964.7221937398.

The spelling of 897856248 in words is "eight hundred ninety-seven million, eight hundred fifty-six thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 1968983 3937966 5906949 7875932 11813898 15751864 23627796 37410677 47255592 74821354 112232031 149642708 224464062 299285416 448928124 897856248