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1013222232 = 2332111279321
BaseRepresentation
bin111100011001001…
…000101101011000
32121121120000121100
4330121020231120
54033341102412
6244312511400
734052150451
oct7431105530
92547500540
101013222232
1147aa34950
122433ab560
13131bb95a9
14987d0128
155de43edc
hex3c648b58

1013222232 has 48 divisors (see below), whose sum is σ = 2993613480. Its totient is φ = 307036800.

The previous prime is 1013222167. The next prime is 1013222239. The reversal of 1013222232 is 2322223101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013222239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638869 + ... + 640452.

Almost surely, 21013222232 is an apocalyptic number.

1013222232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013222232 is an abundant number, since it is smaller than the sum of its proper divisors (1980391248).

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

1013222232 is a wasteful number, since it uses less digits than its factorization.

1013222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279344 (or 1279337 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1013222232 is about 31831.1519112960. The cubic root of 1013222232 is about 1004.3881268440.

Adding to 1013222232 its reverse (2322223101), we get a palindrome (3335445333).

The spelling of 1013222232 in words is "one billion, thirteen million, two hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 1279321 2558642 3837963 5117284 7675926 10234568 11513889 14072531 15351852 23027778 28145062 30703704 42217593 46055556 56290124 84435186 92111112 112580248 126652779 168870372 253305558 337740744 506611116 1013222232