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1161351352 = 2373423233
BaseRepresentation
bin100010100111000…
…1101000010111000
32222221021202120001
41011032031002320
54334301220402
6311123442344
740531216000
oct10516150270
92887252501
101161351352
11546609507
12284b263b4
131567b1a65
14b034d000
156be54187
hex4538d0b8

1161351352 has 32 divisors (see below), whose sum is σ = 2539404000. Its totient is φ = 497720832.

The previous prime is 1161351349. The next prime is 1161351377. The reversal of 1161351352 is 2531531611.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1161351352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208873 + ... + 214360.

It is an arithmetic number, because the mean of its divisors is an integer number (79356375).

Almost surely, 21161351352 is an apocalyptic number.

It is an amenable number.

1161351352 is an abundant number, since it is smaller than the sum of its proper divisors (1378052648).

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

1161351352 is an equidigital number, since it uses as much as digits as its factorization.

1161351352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423260 (or 423242 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 1161351352 is about 34078.6054879011. The cubic root of 1161351352 is about 1051.1254303266.

Adding to 1161351352 its reverse (2531531611), we get a palindrome (3692882963).

The spelling of 1161351352 in words is "one billion, one hundred sixty-one million, three hundred fifty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 343 392 686 1372 2744 423233 846466 1692932 2962631 3385864 5925262 11850524 20738417 23701048 41476834 82953668 145168919 165907336 290337838 580675676 1161351352