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20076698 = 210038349
BaseRepresentation
bin100110010010…
…1100010011010
31101210000001102
41030211202122
520114423243
61554151402
7332435435
oct114454232
941700042
1020076698
1110372a14
126882562
13420c305
14294881c
151b689b8
hex132589a

20076698 has 4 divisors (see below), whose sum is σ = 30115050. Its totient is φ = 10038348.

The previous prime is 20076691. The next prime is 20076703. The reversal of 20076698 is 89667002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89667002 = 244833501.

It can be written as a sum of positive squares in only one way, i.e., 19070689 + 1006009 = 4367^2 + 1003^2 .

It is not an unprimeable number, because it can be changed into a prime (20076691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5019173 + ... + 5019176.

Almost surely, 220076698 is an apocalyptic number.

20076698 is a deficient number, since it is larger than the sum of its proper divisors (10038352).

20076698 is a wasteful number, since it uses less digits than its factorization.

20076698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038351.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 20076698 is about 4480.7028466525. The cubic root of 20076698 is about 271.7883030563.

The spelling of 20076698 in words is "twenty million, seventy-six thousand, six hundred ninety-eight".

Divisors: 1 2 10038349 20076698