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80193070 = 258019307
BaseRepresentation
bin1001100011110…
…10011000101110
312120220020012201
410301322120232
5131012134240
611542452114
71662426016
oct461723056
9176806181
1080193070
11412a3271
1222a3403a
13137ca229
14a916c46
157090d9a
hex4c7a62e

80193070 has 8 divisors (see below), whose sum is σ = 144347544. Its totient is φ = 32077224.

The previous prime is 80193059. The next prime is 80193077. The reversal of 80193070 is 7039108.

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 (80193077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009644 + ... + 4009663.

It is an arithmetic number, because the mean of its divisors is an integer number (18043443).

Almost surely, 280193070 is an apocalyptic number.

80193070 is a deficient number, since it is larger than the sum of its proper divisors (64154474).

80193070 is a wasteful number, since it uses less digits than its factorization.

80193070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019314.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 80193070 is about 8955.0583471019. The cubic root of 80193070 is about 431.2332901178.

The spelling of 80193070 in words is "eighty million, one hundred ninety-three thousand, seventy".

Divisors: 1 2 5 10 8019307 16038614 40096535 80193070