Search a number
-
+
1152404120 = 23575996871
BaseRepresentation
bin100010010110000…
…0100101010011000
32222022110012021002
41010230010222120
54330003412440
6310204004132
740362162530
oct10454045230
92868405232
101152404120
115415582aa
12281b30648
1315499b43a
14ad0a04c0
156b288115
hex44b04a98

1152404120 has 64 divisors (see below), whose sum is σ = 2968704000. Its totient is φ = 394392960.

The previous prime is 1152404111. The next prime is 1152404159. The reversal of 1152404120 is 214042511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1152404092 and 1152404101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164285 + ... + 171155.

It is an arithmetic number, because the mean of its divisors is an integer number (46386000).

Almost surely, 21152404120 is an apocalyptic number.

1152404120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152404120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1484352000).

1152404120 is an abundant number, since it is smaller than the sum of its proper divisors (1816299880).

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

1152404120 is a wasteful number, since it uses less digits than its factorization.

1152404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488 (or 7484 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1152404120 is about 33947.0782247898. The cubic root of 1152404120 is about 1048.4191236782.

Adding to 1152404120 its reverse (214042511), we get a palindrome (1366446631).

The spelling of 1152404120 in words is "one billion, one hundred fifty-two million, four hundred four thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 599 1198 2396 2995 4193 4792 5990 6871 8386 11980 13742 16772 20965 23960 27484 33544 34355 41930 48097 54968 68710 83860 96194 137420 167720 192388 240485 274840 384776 480970 961940 1923880 4115729 8231458 16462916 20578645 28810103 32925832 41157290 57620206 82314580 115240412 144050515 164629160 230480824 288101030 576202060 1152404120