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1072624660 = 225109748889
BaseRepresentation
bin111111111011101…
…111010000010100
32202202022222102021
4333323233100110
54144042442120
6254234022524
735403105412
oct7773572024
92682288367
101072624660
11500517868
1225b277a44
131412b7563
14a26542b2
1564279aaa
hex3feef414

1072624660 has 24 divisors (see below), whose sum is σ = 2254611240. Its totient is φ = 428649984.

The previous prime is 1072624621. The next prime is 1072624667. The reversal of 1072624660 is 664262701.

It can be written as a sum of positive squares in 4 ways, for example, as 69255684 + 1003368976 = 8322^2 + 31676^2 .

It is a super-2 number, since 2×10726246602 = 2301047322480231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072624667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505 + ... + 46384.

It is an arithmetic number, because the mean of its divisors is an integer number (93942135).

Almost surely, 21072624660 is an apocalyptic number.

1072624660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1072624660 is an abundant number, since it is smaller than the sum of its proper divisors (1181986580).

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

1072624660 is a wasteful number, since it uses less digits than its factorization.

1072624660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49995 (or 49993 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1072624660 is about 32750.9489938841. The cubic root of 1072624660 is about 1023.6447398912.

The spelling of 1072624660 in words is "one billion, seventy-two million, six hundred twenty-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 1097 2194 4388 5485 10970 21940 48889 97778 195556 244445 488890 977780 53631233 107262466 214524932 268156165 536312330 1072624660