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1007654149 = 6373158113
BaseRepresentation
bin111100000011111…
…001010100000101
32121020002010122001
4330003321110011
54030424413044
6243553305301
733653630125
oct7403712405
92536063561
101007654149
11477881527
12241565231
131309ba078
1497b80c85
155d6e42d4
hex3c0f9505

1007654149 has 4 divisors (see below), whose sum is σ = 1007818636. Its totient is φ = 1007489664.

The previous prime is 1007654147. The next prime is 1007654159. The reversal of 1007654149 is 9414567001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9414567001 = 71344938143.

It can be written as a sum of positive squares in 2 ways, for example, as 828576225 + 179077924 = 28785^2 + 13382^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007654149 - 21 = 1007654147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007654143) 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, 72684 + ... + 85429.

It is an arithmetic number, because the mean of its divisors is an integer number (251954659).

Almost surely, 21007654149 is an apocalyptic number.

It is an amenable number.

1007654149 is a deficient number, since it is larger than the sum of its proper divisors (164487).

1007654149 is an equidigital number, since it uses as much as digits as its factorization.

1007654149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164486.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1007654149 is about 31743.5686242111. The cubic root of 1007654149 is about 1002.5449009849.

The spelling of 1007654149 in words is "one billion, seven million, six hundred fifty-four thousand, one hundred forty-nine".

Divisors: 1 6373 158113 1007654149