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1152012040 = 235231252187
BaseRepresentation
bin100010010101010…
…0100111100001000
32222021201021102121
41010222210330020
54324403341130
6310151341024
740355640454
oct10452447410
92867637377
101152012040
1154130a773
12281981774
13154891b3a
14acddb664
156b20bd7a
hex44aa4f08

1152012040 has 32 divisors (see below), whose sum is σ = 2704726080. Its totient is φ = 440769472.

The previous prime is 1152012031. The next prime is 1152012041. The reversal of 1152012040 is 402102511.

It is not an unprimeable number, because it can be changed into a prime (1152012041) 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, 625174 + ... + 627013.

It is an arithmetic number, because the mean of its divisors is an integer number (84522690).

Almost surely, 21152012040 is an apocalyptic number.

1152012040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152012040 is an abundant number, since it is smaller than the sum of its proper divisors (1552714040).

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

1152012040 is a wasteful number, since it uses less digits than its factorization.

1152012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252221 (or 1252217 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1152012040 is about 33941.3028624418. The cubic root of 1152012040 is about 1048.3002097225.

Adding to 1152012040 its reverse (402102511), we get a palindrome (1554114551).

The spelling of 1152012040 in words is "one billion, one hundred fifty-two million, twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 1252187 2504374 5008748 6260935 10017496 12521870 25043740 28800301 50087480 57600602 115201204 144001505 230402408 288003010 576006020 1152012040