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80042097 = 3223711927
BaseRepresentation
bin1001100010101…
…01100001110001
312120121120010010
410301111201301
5130442321342
611535325133
71661226612
oct461254161
9176546103
1080042097
11411aa8a3
12229807a9
13137765b5
14a8b7c09
15706129c
hex4c55871

80042097 has 8 divisors (see below), whose sum is σ = 106779456. Its totient is φ = 53333072.

The previous prime is 80042029. The next prime is 80042101. The reversal of 80042097 is 79024008.

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

It is a cyclic number.

It is not a de Polignac number, because 80042097 - 220 = 78993521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80043097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748 + ... + 12674.

It is an arithmetic number, because the mean of its divisors is an integer number (13347432).

Almost surely, 280042097 is an apocalyptic number.

It is an amenable number.

80042097 is a deficient number, since it is larger than the sum of its proper divisors (26737359).

80042097 is a wasteful number, since it uses less digits than its factorization.

80042097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14167.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 80042097 is about 8946.6248943386. The cubic root of 80042097 is about 430.9625041176.

It can be divided in two parts, 8004 and 2097, that added together give a palindrome (10101).

The spelling of 80042097 in words is "eighty million, forty-two thousand, ninety-seven".

Divisors: 1 3 2237 6711 11927 35781 26680699 80042097