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1023424661 = 71371067179
BaseRepresentation
bin111101000000000…
…011100010010101
32122022202100201002
4331000003202111
54043444042121
6245315313045
734234652240
oct7500034225
92568670632
101023424661
11485773106
122468ab785
1313404c32c
1499cc8257
155ecabe0b
hex3d003895

1023424661 has 8 divisors (see below), whose sum is σ = 1178166720. Its totient is φ = 870817248.

The previous prime is 1023424621. The next prime is 1023424693. The reversal of 1023424661 is 1664243201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1023424661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023424621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532631 + ... + 534548.

It is an arithmetic number, because the mean of its divisors is an integer number (147270840).

Almost surely, 21023424661 is an apocalyptic number.

It is an amenable number.

1023424661 is a deficient number, since it is larger than the sum of its proper divisors (154742059).

1023424661 is a wasteful number, since it uses less digits than its factorization.

1023424661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067323.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1023424661 is about 31991.0090650483. The cubic root of 1023424661 is about 1007.7480332704.

Adding to 1023424661 its reverse (1664243201), we get a palindrome (2687667862).

The spelling of 1023424661 in words is "one billion, twenty-three million, four hundred twenty-four thousand, six hundred sixty-one".

Divisors: 1 7 137 959 1067179 7470253 146203523 1023424661