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80061429 = 375371933
BaseRepresentation
bin1001100010110…
…10001111110101
312120122112122010
410301122033311
5130443431204
611535554433
71661340150
oct461321765
9176575563
1080061429
1141213378
122298ba19
1313782336
14a8c0c97
157066d89
hex4c5a3f5

80061429 has 16 divisors (see below), whose sum is σ = 124301952. Its totient is φ = 44885568.

The previous prime is 80061419. The next prime is 80061433. The reversal of 80061429 is 92416008.

It is not a de Polignac number, because 80061429 - 27 = 80061301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80061396 and 80061405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80061419) 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, 34854 + ... + 37079.

It is an arithmetic number, because the mean of its divisors is an integer number (7768872).

Almost surely, 280061429 is an apocalyptic number.

It is an amenable number.

80061429 is a deficient number, since it is larger than the sum of its proper divisors (44240523).

80061429 is a wasteful number, since it uses less digits than its factorization.

80061429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71996.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80061429 is about 8947.7052365397. The cubic root of 80061429 is about 430.9971970971.

The spelling of 80061429 in words is "eighty million, sixty-one thousand, four hundred twenty-nine".

Divisors: 1 3 7 21 53 159 371 1113 71933 215799 503531 1510593 3812449 11437347 26687143 80061429