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73400153 = 234876553
BaseRepresentation
bin1000101111111…
…11111101011001
312010010010002012
410113333331121
5122242301103
611141115305
71550614421
oct427777531
9163103065
1073400153
1138483692
12206b8b35
131228c358
149a69481
15669d2d8
hex45fff59

73400153 has 8 divisors (see below), whose sum is σ = 76760448. Its totient is φ = 70053984.

The previous prime is 73400123. The next prime is 73400161. The reversal of 73400153 is 35100437.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73400153 - 220 = 72351577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73400123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7925 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (9595056).

Almost surely, 273400153 is an apocalyptic number.

It is an amenable number.

73400153 is a deficient number, since it is larger than the sum of its proper divisors (3360295).

73400153 is a wasteful number, since it uses less digits than its factorization.

73400153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 73400153 is about 8567.3889254545. The cubic root of 73400153 is about 418.6961701653.

The spelling of 73400153 in words is "seventy-three million, four hundred thousand, one hundred fifty-three".

Divisors: 1 23 487 6553 11201 150719 3191311 73400153