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874145385 = 33515741243
BaseRepresentation
bin110100000110100…
…110011001101001
32020220212012001000
4310012212121221
53242240123020
6222423545213
730443053551
oct6406463151
92226765030
10874145385
11409483403
122048bb209
1310c1434b9
148414a161
1551b21090
hex341a6669

874145385 has 32 divisors (see below), whose sum is σ = 1563972480. Its totient is φ = 463230144.

The previous prime is 874145341. The next prime is 874145413. The reversal of 874145385 is 583541478.

874145385 is a `hidden beast` number, since 87 + 41 + 453 + 85 = 666.

It is not a de Polignac number, because 874145385 - 27 = 874145257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 874145385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574 + ... + 41816.

It is an arithmetic number, because the mean of its divisors is an integer number (48874140).

Almost surely, 2874145385 is an apocalyptic number.

It is an amenable number.

874145385 is a deficient number, since it is larger than the sum of its proper divisors (689827095).

874145385 is a wasteful number, since it uses less digits than its factorization.

874145385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41414 (or 41408 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 874145385 is about 29565.9497564343. The cubic root of 874145385 is about 956.1540957260.

The spelling of 874145385 in words is "eight hundred seventy-four million, one hundred forty-five thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 157 471 785 1413 2355 4239 7065 21195 41243 123729 206215 371187 618645 1113561 1855935 5567805 6475151 19425453 32375755 58276359 97127265 174829077 291381795 874145385