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80034140 = 2258944963
BaseRepresentation
bin1001100010100…
…11100101011100
312120121011012102
410301103211130
5130442043030
611535224232
71661164454
oct461234534
9176534172
1080034140
11411a491a
1222978078
1313772aa4
14a8b4d64
15705dc45
hex4c5395c

80034140 has 24 divisors (see below), whose sum is σ = 169963920. Its totient is φ = 31653248.

The previous prime is 80034133. The next prime is 80034197. The reversal of 80034140 is 4143008.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20702 + ... + 24261.

It is an arithmetic number, because the mean of its divisors is an integer number (7081830).

Almost surely, 280034140 is an apocalyptic number.

It is an amenable number.

80034140 is an abundant number, since it is smaller than the sum of its proper divisors (89929780).

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

80034140 is a wasteful number, since it uses less digits than its factorization.

80034140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45061 (or 45059 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 80034140 is about 8946.1801904500. The cubic root of 80034140 is about 430.9482229564.

Adding to 80034140 its reverse (4143008), we get a palindrome (84177148).

The spelling of 80034140 in words is "eighty million, thirty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 44963 89926 179852 224815 449630 899260 4001707 8003414 16006828 20008535 40017070 80034140