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80370708 = 22311976277
BaseRepresentation
bin1001100101001…
…01110000010100
312121020020212220
410302211300110
5131033330313
611550342340
71664065635
oct462456024
9177206786
1080370708
1141404780
1222aba9b0
1313860042
14a96188c
1570c8823
hex4ca5c14

80370708 has 48 divisors (see below), whose sum is σ = 206721984. Its totient is φ = 24099840.

The previous prime is 80370707. The next prime is 80370709. The reversal of 80370708 is 80707308.

It is an interprime number because it is at equal distance from previous prime (80370707) and next prime (80370709).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80370707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9666 + ... + 15942.

It is an arithmetic number, because the mean of its divisors is an integer number (4306708).

Almost surely, 280370708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80370708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103360992).

80370708 is an abundant number, since it is smaller than the sum of its proper divisors (126351276).

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

80370708 is a wasteful number, since it uses less digits than its factorization.

80370708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392 (or 6390 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 80370708 is about 8964.9711655978. The cubic root of 80370708 is about 431.5514677631.

The spelling of 80370708 in words is "eighty million, three hundred seventy thousand, seven hundred eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 97 132 194 291 388 582 1067 1164 2134 3201 4268 6277 6402 12554 12804 18831 25108 37662 69047 75324 138094 207141 276188 414282 608869 828564 1217738 1826607 2435476 3653214 6697559 7306428 13395118 20092677 26790236 40185354 80370708