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1382207021 = 13307346331
BaseRepresentation
bin101001001100010…
…1100111000101101
310120022212101120122
41102120230320231
510312321111041
6345053254325
746152365036
oct12230547055
93508771518
101382207021
1164a246658
12326a943a5
1319048baa0
14d17dda8d
158152cc4b
hex5262ce2d

1382207021 has 8 divisors (see below), whose sum is σ = 1493383584. Its totient is φ = 1271723760.

The previous prime is 1382207017. The next prime is 1382207053. The reversal of 1382207021 is 1207022831.

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 1382207021 - 22 = 1382207017 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 (1382207221) 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, 169175 + ... + 177156.

It is an arithmetic number, because the mean of its divisors is an integer number (186672948).

Almost surely, 21382207021 is an apocalyptic number.

It is an amenable number.

1382207021 is a deficient number, since it is larger than the sum of its proper divisors (111176563).

1382207021 is a wasteful number, since it uses less digits than its factorization.

1382207021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346651.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1382207021 is about 37178.0448786646. The cubic root of 1382207021 is about 1113.9294814759.

Adding to 1382207021 its reverse (1207022831), we get a palindrome (2589229852).

The spelling of 1382207021 in words is "one billion, three hundred eighty-two million, two hundred seven thousand, twenty-one".

Divisors: 1 13 307 3991 346331 4502303 106323617 1382207021