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97701381 = 3216976397
BaseRepresentation
bin1011101001011…
…00111000000101
320210211202002200
411310230320011
5200002421011
613410025113
72264306451
oct564547005
9223752080
1097701381
1150171548
1228878199
131731a48b
14cd93661
15889d856
hex5d2ce05

97701381 has 12 divisors (see below), whose sum is σ = 141229452. Its totient is φ = 65085696.

The previous prime is 97701361. The next prime is 97701437. The reversal of 97701381 is 18310779.

It can be written as a sum of positive squares in 2 ways, for example, as 43678881 + 54022500 = 6609^2 + 7350^2 .

It is not a de Polignac number, because 97701381 - 217 = 97570309 is a prime.

It is a super-2 number, since 2×977013812 = 19091119698614322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97701361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12075 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (11769121).

Almost surely, 297701381 is an apocalyptic number.

It is an amenable number.

97701381 is a deficient number, since it is larger than the sum of its proper divisors (43528071).

97701381 is a wasteful number, since it uses less digits than its factorization.

97701381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8100 (or 8097 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 97701381 is about 9884.4008923151. The cubic root of 97701381 is about 460.5748657224.

The spelling of 97701381 in words is "ninety-seven million, seven hundred one thousand, three hundred eighty-one".

Divisors: 1 3 9 1697 5091 6397 15273 19191 57573 10855709 32567127 97701381