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36990806 = 218495403
BaseRepresentation
bin1000110100011…
…0111101010110
32120121022211212
42031012331112
533432201211
63400501422
7626262626
oct215067526
976538755
1036990806
1119975816
121047a872
137881c68
144cac886
1533aa38b
hex2346f56

36990806 has 4 divisors (see below), whose sum is σ = 55486212. Its totient is φ = 18495402.

The previous prime is 36990799. The next prime is 36990829. The reversal of 36990806 is 60809963.

36990806 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60809963 = 471293829.

36990806 is an undulating number in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9247700 + ... + 9247703.

It is an arithmetic number, because the mean of its divisors is an integer number (13871553).

Almost surely, 236990806 is an apocalyptic number.

36990806 is a deficient number, since it is larger than the sum of its proper divisors (18495406).

36990806 is a wasteful number, since it uses less digits than its factorization.

36990806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18495405.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 36990806 is about 6082.0067411998. The cubic root of 36990806 is about 333.1945824748.

The spelling of 36990806 in words is "thirty-six million, nine hundred ninety thousand, eight hundred six".

Divisors: 1 2 18495403 36990806