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992642906 = 2719677229
BaseRepresentation
bin111011001010101…
…000011101011010
32120011211111002002
4323022220131122
54013104033111
6242255441002
733412216433
oct7312503532
92504744062
10992642906
1146a359342
12238526162
1312a862588
1495b9448a
155c22b63b
hex3b2a875a

992642906 has 16 divisors (see below), whose sum is σ = 1511706240. Its totient is φ = 488757360.

The previous prime is 992642891. The next prime is 992642927. The reversal of 992642906 is 609246299.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133700 + ... + 140928.

It is an arithmetic number, because the mean of its divisors is an integer number (94481640).

Almost surely, 2992642906 is an apocalyptic number.

992642906 is a deficient number, since it is larger than the sum of its proper divisors (519063334).

992642906 is a wasteful number, since it uses less digits than its factorization.

992642906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 992642906 is about 31506.2359859124. The cubic root of 992642906 is about 997.5415965384.

The spelling of 992642906 in words is "nine hundred ninety-two million, six hundred forty-two thousand, nine hundred six".

Divisors: 1 2 71 142 967 1934 7229 14458 68657 137314 513259 1026518 6990443 13980886 496321453 992642906