Search a number
-
+
390535120 = 24519256931
BaseRepresentation
bin10111010001110…
…001011111010000
31000012212020110201
4113101301133100
51244434110440
6102430304544
712451331233
oct2721613720
91005766421
10390535120
111904a08a8
12aa958154
1362ba9491
1439c1d41a
152444419a
hex174717d0

390535120 has 40 divisors (see below), whose sum is σ = 955787040. Its totient is φ = 147991680.

The previous prime is 390535099. The next prime is 390535121. The reversal of 390535120 is 21535093.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390535121) 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, 126946 + ... + 129985.

It is an arithmetic number, because the mean of its divisors is an integer number (23894676).

Almost surely, 2390535120 is an apocalyptic number.

It is an amenable number.

390535120 is an abundant number, since it is smaller than the sum of its proper divisors (565251920).

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

390535120 is a wasteful number, since it uses less digits than its factorization.

390535120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256963 (or 256957 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 390535120 is about 19761.9614411121. The cubic root of 390535120 is about 730.9483639668.

The spelling of 390535120 in words is "three hundred ninety million, five hundred thirty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 256931 513862 1027724 1284655 2055448 2569310 4110896 4881689 5138620 9763378 10277240 19526756 20554480 24408445 39053512 48816890 78107024 97633780 195267560 390535120