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80735196 = 22313749109
BaseRepresentation
bin1001100111111…
…10101111011100
312121220202212110
410303332233130
5131132011241
612002234020
72000144403
oct463765734
9177822773
1080735196
1141633603
1223055910
1313959c09
14aa1863a
15714b816
hex4cfebdc

80735196 has 24 divisors (see below), whose sum is σ = 189761040. Its totient is φ = 26714752.

The previous prime is 80735189. The next prime is 80735197. The reversal of 80735196 is 69153708.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80735197) 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, 22911 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (7906710).

Almost surely, 280735196 is an apocalyptic number.

It is an amenable number.

80735196 is an abundant number, since it is smaller than the sum of its proper divisors (109025844).

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

80735196 is a wasteful number, since it uses less digits than its factorization.

80735196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49253 (or 49251 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 80735196 is about 8985.2766234546. The cubic root of 80735196 is about 432.2028582593.

The spelling of 80735196 in words is "eighty million, seven hundred thirty-five thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 49109 98218 147327 196436 294654 589308 6727933 13455866 20183799 26911732 40367598 80735196