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980420197 = 19291779347
BaseRepresentation
bin111010011100000…
…000011001100101
32112022211111200011
4322130000121211
54001441421242
6241141450221
733203301631
oct7234003145
92468744604
10980420197
11463470229
12234410971
131281730c3
14942d1dc1
155b114d17
hex3a700665

980420197 has 8 divisors (see below), whose sum is σ = 1067608800. Its totient is φ = 896790384.

The previous prime is 980420143. The next prime is 980420227. The reversal of 980420197 is 791024089.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 980420197 - 211 = 980418149 is a prime.

It is a super-2 number, since 2×9804201972 = 1922447525371037618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980420137) 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 7 ways as a sum of consecutive naturals, for example, 889123 + ... + 890224.

It is an arithmetic number, because the mean of its divisors is an integer number (133451100).

Almost surely, 2980420197 is an apocalyptic number.

It is an amenable number.

980420197 is a deficient number, since it is larger than the sum of its proper divisors (87188603).

980420197 is a wasteful number, since it uses less digits than its factorization.

980420197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779395.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 980420197 is about 31311.6623161403. The cubic root of 980420197 is about 993.4303329922.

The spelling of 980420197 in words is "nine hundred eighty million, four hundred twenty thousand, one hundred ninety-seven".

Divisors: 1 19 29 551 1779347 33807593 51601063 980420197