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1223001132 = 223491920719
BaseRepresentation
bin100100011100101…
…1000010000101100
310011020021220011020
41020321120100230
510001042014012
6321205054140
742210223653
oct11071302054
93136256136
101223001132
11578396941
122a16b7350
131664b8912
14b85da19a
1572580a8c
hex48e5842c

1223001132 has 24 divisors (see below), whose sum is σ = 2854387200. Its totient is φ = 407564496.

The previous prime is 1223001127. The next prime is 1223001151. The reversal of 1223001132 is 2311003221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48669 + ... + 69387.

It is an arithmetic number, because the mean of its divisors is an integer number (118932800).

Almost surely, 21223001132 is an apocalyptic number.

1223001132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223001132 is an abundant number, since it is smaller than the sum of its proper divisors (1631386068).

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

1223001132 is a wasteful number, since it uses less digits than its factorization.

1223001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25645 (or 25643 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1223001132 is about 34971.4330847336. The cubic root of 1223001132 is about 1069.4051872085.

Adding to 1223001132 its reverse (2311003221), we get a palindrome (3534004353).

The spelling of 1223001132 in words is "one billion, two hundred twenty-three million, one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 4919 9838 14757 19676 20719 29514 41438 59028 62157 82876 124314 248628 101916761 203833522 305750283 407667044 611500566 1223001132