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1001421532 = 221462117123
BaseRepresentation
bin111011101100000…
…111101011011100
32120210100111002101
4323230013223130
54022330442112
6243211534444
733546641206
oct7354075334
92523314071
101001421532
11474304901
1223b45a424
1312c617227
1496ddb776
155cdb2757
hex3bb07adc

1001421532 has 12 divisors (see below), whose sum is σ = 1752709896. Its totient is φ = 500647280.

The previous prime is 1001421529. The next prime is 1001421557. The reversal of 1001421532 is 2351241001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49923 + ... + 67045.

It is an arithmetic number, because the mean of its divisors is an integer number (146059158).

Almost surely, 21001421532 is an apocalyptic number.

It is an amenable number.

1001421532 is a deficient number, since it is larger than the sum of its proper divisors (751288364).

1001421532 is a wasteful number, since it uses less digits than its factorization.

1001421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31748 (or 31746 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1001421532 is about 31645.2450140617. The cubic root of 1001421532 is about 1000.4736196490.

Adding to 1001421532 its reverse (2351241001), we get a palindrome (3352662533).

The spelling of 1001421532 in words is "one billion, one million, four hundred twenty-one thousand, five hundred thirty-two".

Divisors: 1 2 4 14621 17123 29242 34246 58484 68492 250355383 500710766 1001421532