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80248692 = 2236687391
BaseRepresentation
bin1001100100001…
…11111101110100
312121000001111210
410302013331310
5131020424232
611544001420
71663050126
oct462077564
9177001453
1080248692
1141331037
1222a60270
1313819644
14a92d216
1570a25cc
hex4c87f74

80248692 has 12 divisors (see below), whose sum is σ = 187246976. Its totient is φ = 26749560.

The previous prime is 80248691. The next prime is 80248697. The reversal of 80248692 is 29684208.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 80248692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80248691) 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, 3343684 + ... + 3343707.

Almost surely, 280248692 is an apocalyptic number.

It is an amenable number.

80248692 is an abundant number, since it is smaller than the sum of its proper divisors (106998284).

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

80248692 is a wasteful number, since it uses less digits than its factorization.

80248692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687398 (or 6687396 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 80248692 is about 8958.1634278461. The cubic root of 80248692 is about 431.3329683677.

It can be divided in two parts, 802 and 48692, that added together give a palindrome (49494).

The spelling of 80248692 in words is "eighty million, two hundred forty-eight thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 6687391 13374782 20062173 26749564 40124346 80248692