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73478053 = 116679823
BaseRepresentation
bin1000110000100…
…10111110100101
312010021001221101
410120102332211
5122302244203
611142520101
71551360505
oct430227645
9163231841
1073478053
1138527170
1220736031
13122b894c
149a89a05
1566b641d
hex4612fa5

73478053 has 4 divisors (see below), whose sum is σ = 80157888. Its totient is φ = 66798220.

The previous prime is 73478051. The next prime is 73478071. The reversal of 73478053 is 35087437.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73478053 - 21 = 73478051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73478051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3339901 + ... + 3339922.

It is an arithmetic number, because the mean of its divisors is an integer number (20039472).

Almost surely, 273478053 is an apocalyptic number.

It is an amenable number.

73478053 is a deficient number, since it is larger than the sum of its proper divisors (6679835).

73478053 is a wasteful number, since it uses less digits than its factorization.

73478053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679834.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 73478053 is about 8571.9340291442. The cubic root of 73478053 is about 418.8442393379.

It can be divided in two parts, 7347 and 8053, that added together give a triangular number (15400 = T175).

The spelling of 73478053 in words is "seventy-three million, four hundred seventy-eight thousand, fifty-three".

Divisors: 1 11 6679823 73478053