Search a number
-
+
73474040 = 2352238237
BaseRepresentation
bin1000110000100…
…01111111111000
312010020212102202
410120101333320
5122302132130
611142445332
71551343013
oct430217770
9163225382
1073474040
1138524152
1220733848
13122b6b83
149a8837a
1566b5145
hex4611ff8

73474040 has 32 divisors (see below), whose sum is σ = 166078080. Its totient is φ = 29254272.

The previous prime is 73474031. The next prime is 73474067. The reversal of 73474040 is 4047437.

It is a junction number, because it is equal to n+sod(n) for n = 73473994 and 73474012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802 + ... + 13038.

It is an arithmetic number, because the mean of its divisors is an integer number (5189940).

Almost surely, 273474040 is an apocalyptic number.

It is an amenable number.

73474040 is an abundant number, since it is smaller than the sum of its proper divisors (92604040).

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

73474040 is a wasteful number, since it uses less digits than its factorization.

73474040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 73474040 is about 8571.6999480850. The cubic root of 73474040 is about 418.8366141471.

The spelling of 73474040 in words is "seventy-three million, four hundred seventy-four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 223 446 892 1115 1784 2230 4460 8237 8920 16474 32948 41185 65896 82370 164740 329480 1836851 3673702 7347404 9184255 14694808 18368510 36737020 73474040