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1370979242 = 2685489621
BaseRepresentation
bin101000110110111…
…0111101110101010
310112112201221221222
41101231313232222
510301432313432
6344012502042
745655063013
oct12155675652
93475657858
101370979242
11643977aa6
1232317a922
1318b05a429
14d011a00a
1580561112
hex51b77baa

1370979242 has 4 divisors (see below), whose sum is σ = 2056468866. Its totient is φ = 685489620.

The previous prime is 1370979221. The next prime is 1370979271. The reversal of 1370979242 is 2429790731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1242633001 + 128346241 = 35251^2 + 11329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1370979193 and 1370979202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342744809 + ... + 342744812.

Almost surely, 21370979242 is an apocalyptic number.

1370979242 is a deficient number, since it is larger than the sum of its proper divisors (685489624).

1370979242 is an equidigital number, since it uses as much as digits as its factorization.

1370979242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685489623.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1370979242 is about 37026.7368532524. The cubic root of 1370979242 is about 1110.9050978858.

The spelling of 1370979242 in words is "one billion, three hundred seventy million, nine hundred seventy-nine thousand, two hundred forty-two".

Divisors: 1 2 685489621 1370979242