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1377442434 = 23229573739
BaseRepresentation
bin101001000011010…
…0001101010000010
310112222220022210110
41102012201222002
510310111124214
6344403212150
746064032104
oct12206415202
93488808713
101377442434
11647591985
12325377056
1318c4b11c4
14d0d1d574
1580ddb159
hex521a1a82

1377442434 has 8 divisors (see below), whose sum is σ = 2754884880. Its totient is φ = 459147476.

The previous prime is 1377442427. The next prime is 1377442439. The reversal of 1377442434 is 4342447731.

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

1377442434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1377442392 and 1377442401.

It is not an unprimeable number, because it can be changed into a prime (1377442439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114786864 + ... + 114786875.

It is an arithmetic number, because the mean of its divisors is an integer number (344360610).

Almost surely, 21377442434 is an apocalyptic number.

1377442434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377442434 is a wasteful number, since it uses less digits than its factorization.

1377442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229573744.

The product of its digits is 225792, while the sum is 39.

The square root of 1377442434 is about 37113.9115965968. The cubic root of 1377442434 is about 1112.6480709196.

The spelling of 1377442434 in words is "one billion, three hundred seventy-seven million, four hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 229573739 459147478 688721217 1377442434