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1021214032 = 24520912253
BaseRepresentation
bin111100110111100…
…111110101010000
32122011121001021221
4330313213311100
54042412322112
6245200054424
734210114246
oct7467476520
92564531257
101021214032
114844a3243
12246004414
13133757077
14998b0796
155e9c1e07
hex3cde7d50

1021214032 has 20 divisors (see below), whose sum is σ = 1979143540. Its totient is φ = 510467328.

The previous prime is 1021214011. The next prime is 1021214039. The reversal of 1021214032 is 2304121201.

It can be written as a sum of positive squares in 2 ways, for example, as 813162256 + 208051776 = 28516^2 + 14424^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1021213997 and 1021214015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021214039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77218 + ... + 89470.

It is an arithmetic number, because the mean of its divisors is an integer number (98957177).

Almost surely, 21021214032 is an apocalyptic number.

It is an amenable number.

1021214032 is a deficient number, since it is larger than the sum of its proper divisors (957929508).

1021214032 is a wasteful number, since it uses less digits than its factorization.

1021214032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17470 (or 17464 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1021214032 is about 31956.4396014324. The cubic root of 1021214032 is about 1007.0219212117.

Adding to 1021214032 its reverse (2304121201), we get a palindrome (3325335233).

The spelling of 1021214032 in words is "one billion, twenty-one million, two hundred fourteen thousand, thirty-two".

Divisors: 1 2 4 8 16 5209 10418 12253 20836 24506 41672 49012 83344 98024 196048 63825877 127651754 255303508 510607016 1021214032