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97390806 = 2316231801
BaseRepresentation
bin1011100111000…
…01000011010110
320210020222001220
411303201003112
5144413001211
613355231210
72261544132
oct563410326
9223228056
1097390806
114aa7a177
1228748506
131723bcc6
14cd123c2
15883b806
hex5ce10d6

97390806 has 8 divisors (see below), whose sum is σ = 194781624. Its totient is φ = 32463600.

The previous prime is 97390801. The next prime is 97390817. The reversal of 97390806 is 60809379.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97390801) 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 3 ways as a sum of consecutive naturals, for example, 8115895 + ... + 8115906.

It is an arithmetic number, because the mean of its divisors is an integer number (24347703).

Almost surely, 297390806 is an apocalyptic number.

97390806 is the 6242-nd centered pentagonal number.

97390806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97390806 is a wasteful number, since it uses less digits than its factorization.

97390806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16231806.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 97390806 is about 9868.6780269700. The cubic root of 97390806 is about 460.0863196548.

The spelling of 97390806 in words is "ninety-seven million, three hundred ninety thousand, eight hundred six".

Divisors: 1 2 3 6 16231801 32463602 48695403 97390806