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1056190138 = 21223431803
BaseRepresentation
bin111110111101000…
…010111010111010
32201121102000111021
4332331002322322
54130341041023
6252445453054
735113316353
oct7675027272
92647360437
101056190138
114a2212313
1225587118a
1313aa81ca3
14a03b6d2a
1562ad035d
hex3ef42eba

1056190138 has 8 divisors (see below), whose sum is σ = 1585584288. Its totient is φ = 527662044.

The previous prime is 1056190133. The next prime is 1056190139. The reversal of 1056190138 is 8310916501.

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

It is a super-2 number, since 2×10561901382 = 2231075215216918088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056190133) 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 3 ways as a sum of consecutive naturals, for example, 213456 + ... + 218347.

It is an arithmetic number, because the mean of its divisors is an integer number (198198036).

Almost surely, 21056190138 is an apocalyptic number.

1056190138 is a deficient number, since it is larger than the sum of its proper divisors (529394150).

1056190138 is a wasteful number, since it uses less digits than its factorization.

1056190138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433028.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 1056190138 is about 32499.0790331049. The cubic root of 1056190138 is about 1018.3897886281.

The spelling of 1056190138 in words is "one billion, fifty-six million, one hundred ninety thousand, one hundred thirty-eight".

Divisors: 1 2 1223 2446 431803 863606 528095069 1056190138