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1007252139 = 31931739641
BaseRepresentation
bin111100000010010…
…111001010101011
32121012022201011210
4330002113022223
54030324032024
6243540524203
733650334105
oct7402271253
92535281153
101007252139
11477627493
122413b0663
131308a90aa
1497ab8575
155d665129
hex3c0972ab

1007252139 has 8 divisors (see below), whose sum is σ = 1349962192. Its totient is φ = 668021760.

The previous prime is 1007252137. The next prime is 1007252173. The reversal of 1007252139 is 9312527001.

1007252139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1007252139 - 21 = 1007252137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1007252131) 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, 869242 + ... + 870399.

It is an arithmetic number, because the mean of its divisors is an integer number (168745274).

Almost surely, 21007252139 is an apocalyptic number.

1007252139 is a deficient number, since it is larger than the sum of its proper divisors (342710053).

1007252139 is a wasteful number, since it uses less digits than its factorization.

1007252139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739837.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1007252139 is about 31737.2358437215. The cubic root of 1007252139 is about 1002.4115593732.

The spelling of 1007252139 in words is "one billion, seven million, two hundred fifty-two thousand, one hundred thirty-nine".

Divisors: 1 3 193 579 1739641 5218923 335750713 1007252139