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1051249242 = 23175208207
BaseRepresentation
bin111110101010001…
…100101001011010
32201021002222212010
4332222030221122
54123104433432
6252151530350
735023320411
oct7652145132
92637088763
101051249242
1149a44812a
122540899b6
13139a42094
149d88c478
15624563cc
hex3ea8ca5a

1051249242 has 8 divisors (see below), whose sum is σ = 2102498496. Its totient is φ = 350416412.

The previous prime is 1051249211. The next prime is 1051249259. The reversal of 1051249242 is 2429421501.

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

1051249242 is an admirable number.

It is a super-2 number, since 2×10512492422 = 2210249937611149128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87604098 + ... + 87604109.

It is an arithmetic number, because the mean of its divisors is an integer number (262812312).

Almost surely, 21051249242 is an apocalyptic number.

1051249242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051249242 is a wasteful number, since it uses less digits than its factorization.

1051249242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175208212.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1051249242 is about 32422.9739845067. The cubic root of 1051249242 is about 1016.7992843693.

The spelling of 1051249242 in words is "one billion, fifty-one million, two hundred forty-nine thousand, two hundred forty-two".

Divisors: 1 2 3 6 175208207 350416414 525624621 1051249242