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73840152 = 2335952147
BaseRepresentation
bin1000110011010…
…11011000011000
312010221110122110
410121223120120
5122400341102
611154352320
71554426261
oct431533030
9163843573
1073840152
1138754221
122088b6a0
13123b46c9
149b41968
15673886c
hex466b618

73840152 has 32 divisors (see below), whose sum is σ = 187732800. Its totient is φ = 24195744.

The previous prime is 73840133. The next prime is 73840153. The reversal of 73840152 is 25104837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73840153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24658 + ... + 27489.

It is an arithmetic number, because the mean of its divisors is an integer number (5866650).

Almost surely, 273840152 is an apocalyptic number.

It is an amenable number.

73840152 is an abundant number, since it is smaller than the sum of its proper divisors (113892648).

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

73840152 is a wasteful number, since it uses less digits than its factorization.

73840152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52215 (or 52211 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 73840152 is about 8593.0292679590. The cubic root of 73840152 is about 419.5311321019.

Adding to 73840152 its reverse (25104837), we get a palindrome (98944989).

The spelling of 73840152 in words is "seventy-three million, eight hundred forty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 59 118 177 236 354 472 708 1416 52147 104294 156441 208588 312882 417176 625764 1251528 3076673 6153346 9230019 12306692 18460038 24613384 36920076 73840152