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1056443834 = 2528221917
BaseRepresentation
bin111110111110000…
…000110110111010
32201121212220111102
4332332000312322
54130422200314
6252455131402
735115424115
oct7676006672
92647786442
101056443834
114a2375986
12255973b62
1313ab405c4
14a044157c
1562b305de
hex3ef80dba

1056443834 has 4 divisors (see below), whose sum is σ = 1584665754. Its totient is φ = 528221916.

The previous prime is 1056443831. The next prime is 1056443881. The reversal of 1056443834 is 4383446501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4383446501 = 7626206643.

It can be written as a sum of positive squares in only one way, i.e., 995213209 + 61230625 = 31547^2 + 7825^2 .

It is a super-2 number, since 2×10564438342 = 2232147148793239112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056443831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264110957 + ... + 264110960.

Almost surely, 21056443834 is an apocalyptic number.

1056443834 is a deficient number, since it is larger than the sum of its proper divisors (528221920).

1056443834 is an equidigital number, since it uses as much as digits as its factorization.

1056443834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528221919.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 1056443834 is about 32502.9819247404. The cubic root of 1056443834 is about 1018.4713208962.

The spelling of 1056443834 in words is "one billion, fifty-six million, four hundred forty-three thousand, eight hundred thirty-four".

Divisors: 1 2 528221917 1056443834