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1379307442 = 21679714253
BaseRepresentation
bin101001000110110…
…1000111110110010
310120010102002002211
41102031220332302
510311100314232
6344511202334
746115630332
oct12215507662
93503362084
101379307442
11648646107
12325b163aa
1318c9b5066
14d12870c2
1581158a47
hex52368fb2

1379307442 has 16 divisors (see below), whose sum is σ = 2083983552. Its totient is φ = 684657040.

The previous prime is 1379307437. The next prime is 1379307463. The reversal of 1379307442 is 2447039731.

It is a junction number, because it is equal to n+sod(n) for n = 1379307395 and 1379307404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322188 + ... + 326440.

It is an arithmetic number, because the mean of its divisors is an integer number (130248972).

Almost surely, 21379307442 is an apocalyptic number.

1379307442 is a deficient number, since it is larger than the sum of its proper divisors (704676110).

1379307442 is a wasteful number, since it uses less digits than its factorization.

1379307442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 1379307442 is about 37139.0285548774. The cubic root of 1379307442 is about 1113.1500064076.

The spelling of 1379307442 in words is "one billion, three hundred seventy-nine million, three hundred seven thousand, four hundred forty-two".

Divisors: 1 2 167 334 971 1942 4253 8506 162157 324314 710251 1420502 4129663 8259326 689653721 1379307442