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1007494021 = 4754139623
BaseRepresentation
bin111100000011010…
…010001110000101
32121012202222222101
4330003102032011
54030404302041
6243550032101
733652362232
oct7403221605
92535688871
101007494021
11477782196
122414a8631
13130962211
1497b3c789
155d6b1b31
hex3c0d2385

1007494021 has 8 divisors (see below), whose sum is σ = 1030857984. Its totient is φ = 984210480.

The previous prime is 1007494009. The next prime is 1007494043. The reversal of 1007494021 is 1204947001.

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

It is a cyclic number.

It is not a de Polignac number, because 1007494021 - 25 = 1007493989 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 (1007494091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5616 + ... + 45238.

It is an arithmetic number, because the mean of its divisors is an integer number (128857248).

Almost surely, 21007494021 is an apocalyptic number.

It is an amenable number.

1007494021 is a deficient number, since it is larger than the sum of its proper divisors (23363963).

1007494021 is an equidigital number, since it uses as much as digits as its factorization.

1007494021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40211.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1007494021 is about 31741.0463123067. The cubic root of 1007494021 is about 1002.4917928114.

The spelling of 1007494021 in words is "one billion, seven million, four hundred ninety-four thousand, twenty-one".

Divisors: 1 47 541 25427 39623 1862281 21436043 1007494021