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1077052989 = 31811983523
BaseRepresentation
bin100000000110010…
…1000011000111101
32210001122221221110
41000030220120331
54201211143424
6254512552233
735455541115
oct10014503075
92701587843
101077052989
11502a71941
12260852679
131421a807c
14a3088045
1564851c29
hex4032863d

1077052989 has 8 divisors (see below), whose sum is σ = 1444005472. Its totient is φ = 714067920.

The previous prime is 1077052979. The next prime is 1077053009. The reversal of 1077052989 is 9892507701.

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

It is not a de Polignac number, because 1077052989 - 28 = 1077052733 is a prime.

It is a super-2 number, since 2×10770529892 = 2320086282227668242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077052919) 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, 991219 + ... + 992304.

It is an arithmetic number, because the mean of its divisors is an integer number (180500684).

Almost surely, 21077052989 is an apocalyptic number.

It is an amenable number.

1077052989 is a deficient number, since it is larger than the sum of its proper divisors (366952483).

1077052989 is a wasteful number, since it uses less digits than its factorization.

1077052989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983707.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 1077052989 is about 32818.4854769381. The cubic root of 1077052989 is about 1025.0515108755.

The spelling of 1077052989 in words is "one billion, seventy-seven million, fifty-two thousand, nine hundred eighty-nine".

Divisors: 1 3 181 543 1983523 5950569 359017663 1077052989