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1214221032 = 2332109715373
BaseRepresentation
bin100100001011111…
…1000101011101000
310010121202211010100
41020113320223220
54441320033112
6320252545400
742042465003
oct11027705350
93117684110
101214221032
1157343a262
1229a782260
131647333ab
14b739253a
15718e92dc
hex485f8ae8

1214221032 has 48 divisors (see below), whose sum is σ = 3291727140. Its totient is φ = 404345088.

The previous prime is 1214221013. The next prime is 1214221061. The reversal of 1214221032 is 2301224121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 992628036 + 221592996 = 31506^2 + 14886^2 .

It is a super-2 number, since 2×12142210322 = 2948665429102290048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1214220996 and 1214221014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71298 + ... + 86670.

Almost surely, 21214221032 is an apocalyptic number.

1214221032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1214221032 is an abundant number, since it is smaller than the sum of its proper divisors (2077506108).

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

1214221032 is a wasteful number, since it uses less digits than its factorization.

1214221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16482 (or 16475 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1214221032 is about 34845.6745091841. The cubic root of 1214221032 is about 1066.8399009439.

Adding to 1214221032 its reverse (2301224121), we get a palindrome (3515445153).

The spelling of 1214221032 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1097 2194 3291 4388 6582 8776 9873 13164 15373 19746 26328 30746 39492 46119 61492 78984 92238 122984 138357 184476 276714 368952 553428 1106856 16864181 33728362 50592543 67456724 101185086 134913448 151777629 202370172 303555258 404740344 607110516 1214221032