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80469426 = 2343311897
BaseRepresentation
bin1001100101111…
…01110110110010
312121102021022010
410302331312302
5131100010201
611552423350
71664656512
oct462756662
9177367263
1080469426
1141471964
1222b47b56
1313895c5b
14a989842
1570e7bd6
hex4cbddb2

80469426 has 16 divisors (see below), whose sum is σ = 164682144. Its totient is φ = 26199264.

The previous prime is 80469421. The next prime is 80469443. The reversal of 80469426 is 62496408.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80469421) 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, 155691 + ... + 156206.

It is an arithmetic number, because the mean of its divisors is an integer number (10292634).

Almost surely, 280469426 is an apocalyptic number.

80469426 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

80469426 is an abundant number, since it is smaller than the sum of its proper divisors (84212718).

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

80469426 is a wasteful number, since it uses less digits than its factorization.

80469426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311945.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 80469426 is about 8970.4752382469. The cubic root of 80469426 is about 431.7280846274.

The spelling of 80469426 in words is "eighty million, four hundred sixty-nine thousand, four hundred twenty-six".

Divisors: 1 2 3 6 43 86 129 258 311897 623794 935691 1871382 13411571 26823142 40234713 80469426