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80245151 = 7171935491
BaseRepresentation
bin1001100100001…
…11000110011111
312120222212122122
410302013012133
5131020321101
611543533155
71663033610
oct462070637
9176885578
1080245151
1141329408
1222a5a1bb
1313817b4c
14a92bc07
1570a151b
hex4c8719f

80245151 has 16 divisors (see below), whose sum is σ = 102216960. Its totient is φ = 61326720.

The previous prime is 80245141. The next prime is 80245157. The reversal of 80245151 is 15154208.

It is not a de Polignac number, because 80245151 - 210 = 80244127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80245151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80245157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15485 + ... + 20006.

It is an arithmetic number, because the mean of its divisors is an integer number (6388560).

Almost surely, 280245151 is an apocalyptic number.

80245151 is a deficient number, since it is larger than the sum of its proper divisors (21971809).

80245151 is a wasteful number, since it uses less digits than its factorization.

80245151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35534.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 80245151 is about 8957.9657847080. The cubic root of 80245151 is about 431.3266240379.

Adding to 80245151 its reverse (15154208), we get a palindrome (95399359).

The spelling of 80245151 in words is "eighty million, two hundred forty-five thousand, one hundred fifty-one".

Divisors: 1 7 17 19 119 133 323 2261 35491 248437 603347 674329 4223429 4720303 11463593 80245151