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1082177290 = 25108217729
BaseRepresentation
bin100000010000000…
…1011011100001010
32210102022022011101
41000200023130022
54204014133130
6255214452014
735550232555
oct10040133412
92712268141
101082177290
115059518a7
1226250400a
131432805bc
14a3a1d69c
15650151ca
hex4080b70a

1082177290 has 8 divisors (see below), whose sum is σ = 1947919140. Its totient is φ = 432870912.

The previous prime is 1082177269. The next prime is 1082177297. The reversal of 1082177290 is 927712801.

It can be written as a sum of positive squares in 2 ways, for example, as 1081554769 + 622521 = 32887^2 + 789^2 .

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

It is a super-2 number, since 2×10821772902 = 2342215373983488200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1082177297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54108855 + ... + 54108874.

Almost surely, 21082177290 is an apocalyptic number.

1082177290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1082177290 is a deficient number, since it is larger than the sum of its proper divisors (865741850).

1082177290 is a wasteful number, since it uses less digits than its factorization.

1082177290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108217736.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 1082177290 is about 32896.4631837527. The cubic root of 1082177290 is about 1026.6745706696.

The spelling of 1082177290 in words is "one billion, eighty-two million, one hundred seventy-seven thousand, two hundred ninety".

Divisors: 1 2 5 10 108217729 216435458 541088645 1082177290