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73155042 = 2332358901
BaseRepresentation
bin1000101110001…
…00000111100010
312002122122212000
410113010013202
5122211430132
611131544430
71545544002
oct427040742
9162578760
1073155042
1138326514
12205bb116
131220490c
149a04002
15665087c
hex45c41e2

73155042 has 32 divisors (see below), whose sum is σ = 169637760. Its totient is φ = 23324400.

The previous prime is 73155013. The next prime is 73155059. The reversal of 73155042 is 24055137.

It is a happy number.

73155042 is a `hidden beast` number, since 73 + 1 + 550 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 73154997 and 73155015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28209 + ... + 30692.

It is an arithmetic number, because the mean of its divisors is an integer number (5301180).

Almost surely, 273155042 is an apocalyptic number.

73155042 is an abundant number, since it is smaller than the sum of its proper divisors (96482718).

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

73155042 is a wasteful number, since it uses less digits than its factorization.

73155042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58935 (or 58929 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 73155042 is about 8553.0720796682. The cubic root of 73155042 is about 418.2295885481.

The spelling of 73155042 in words is "seventy-three million, one hundred fifty-five thousand, forty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 58901 117802 176703 353406 530109 1060218 1354723 1590327 2709446 3180654 4064169 8128338 12192507 24385014 36577521 73155042