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96977021 = 313128291
BaseRepresentation
bin1011100011111…
…00000001111101
320202110221110112
411301330001331
5144311231041
613342315405
72255201561
oct561740175
9222427415
1096977021
114a8172a9
1228588b65
131712586b
14cc456a1
1587a8deb
hex5c7c07d

96977021 has 4 divisors (see below), whose sum is σ = 100105344. Its totient is φ = 93848700.

The previous prime is 96977017. The next prime is 96977033. The reversal of 96977021 is 12077969.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12077969 = 43280883.

It is a cyclic number.

It is not a de Polignac number, because 96977021 - 22 = 96977017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 96977021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96977051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564115 + ... + 1564176.

It is an arithmetic number, because the mean of its divisors is an integer number (25026336).

Almost surely, 296977021 is an apocalyptic number.

It is an amenable number.

96977021 is a deficient number, since it is larger than the sum of its proper divisors (3128323).

96977021 is a wasteful number, since it uses less digits than its factorization.

96977021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128322.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 96977021 is about 9847.6911507216. The cubic root of 96977021 is about 459.4338040076.

The spelling of 96977021 in words is "ninety-six million, nine hundred seventy-seven thousand, twenty-one".

Divisors: 1 31 3128291 96977021