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1054707661 = 7757199039
BaseRepresentation
bin111110110111011…
…000111111001101
32201111121200220201
4332313120333031
54130001121121
6252354013501
735064603310
oct7667307715
92644550821
101054707661
114a139a527
12255277291
1313a683297
14a010c977
15628dae91
hex3edd8fcd

1054707661 has 8 divisors (see below), whose sum is σ = 1206978560. Its totient is φ = 902836368.

The previous prime is 1054707601. The next prime is 1054707677. The reversal of 1054707661 is 1667074501.

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

It is not a de Polignac number, because 1054707661 - 215 = 1054674893 is a prime.

It is a super-2 number, since 2×10547076612 = 2224816500344181842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054707661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054707601) 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, 94221 + ... + 104818.

It is an arithmetic number, because the mean of its divisors is an integer number (150872320).

Almost surely, 21054707661 is an apocalyptic number.

It is an amenable number.

1054707661 is a deficient number, since it is larger than the sum of its proper divisors (152270899).

1054707661 is an equidigital number, since it uses as much as digits as its factorization.

1054707661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199803.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1054707661 is about 32476.2630393338. The cubic root of 1054707661 is about 1017.9130921520.

The spelling of 1054707661 in words is "one billion, fifty-four million, seven hundred seven thousand, six hundred sixty-one".

Divisors: 1 7 757 5299 199039 1393273 150672523 1054707661