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1150152440 = 235173166207
BaseRepresentation
bin100010010001101…
…1110111011111000
32222011012210112112
41010203132323320
54323414334230
6310043431452
740334064053
oct10443367370
92864183475
101150152440
1154025a608
12281225588
13154390598
14aca75a9a
156ae90d95
hex448deef8

1150152440 has 32 divisors (see below), whose sum is σ = 2602817280. Its totient is φ = 457398912.

The previous prime is 1150152439. The next prime is 1150152473. The reversal of 1150152440 is 442510511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76184 + ... + 90023.

It is an arithmetic number, because the mean of its divisors is an integer number (81338040).

Almost surely, 21150152440 is an apocalyptic number.

1150152440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150152440 is an abundant number, since it is smaller than the sum of its proper divisors (1452664840).

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

1150152440 is a wasteful number, since it uses less digits than its factorization.

1150152440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166391 (or 166387 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1150152440 is about 33913.8974463272. The cubic root of 1150152440 is about 1047.7358438207.

Adding to 1150152440 its reverse (442510511), we get a palindrome (1592662951).

The spelling of 1150152440 in words is "one billion, one hundred fifty million, one hundred fifty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 173 346 692 865 1384 1730 3460 6920 166207 332414 664828 831035 1329656 1662070 3324140 6648280 28753811 57507622 115015244 143769055 230030488 287538110 575076220 1150152440