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80713942 = 240356971
BaseRepresentation
bin1001100111110…
…01100011010110
312121212200201021
410303321203112
5131130321232
612001551354
72000025421
oct463714326
9177780637
1080713942
1141619641
122304555a
131395033a
14aa109b8
157145397
hex4cf98d6

80713942 has 4 divisors (see below), whose sum is σ = 121070916. Its totient is φ = 40356970.

The previous prime is 80713921. The next prime is 80714003. The reversal of 80713942 is 24931708.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 80713898 and 80713907.

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, 20178484 + ... + 20178487.

It is an arithmetic number, because the mean of its divisors is an integer number (30267729).

Almost surely, 280713942 is an apocalyptic number.

80713942 is a deficient number, since it is larger than the sum of its proper divisors (40356974).

80713942 is a wasteful number, since it uses less digits than its factorization.

80713942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40356973.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 80713942 is about 8984.0938329917. The cubic root of 80713942 is about 432.1649283096.

The spelling of 80713942 in words is "eighty million, seven hundred thirteen thousand, nine hundred forty-two".

Divisors: 1 2 40356971 80713942