Search a number
-
+
1345148426 = 21739563189
BaseRepresentation
bin101000000101101…
…0101011000001010
310110202010121202002
41100023111120022
510223324222201
6341251111002
745222400346
oct12013253012
93422117662
101345148426
11630334a16
123165a2462
131858b501b
14ca914626
157d15c76b
hex502d560a

1345148426 has 8 divisors (see below), whose sum is σ = 2136412260. Its totient is φ = 633011008.

The previous prime is 1345148423. The next prime is 1345148429. The reversal of 1345148426 is 6248415431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1345148423) and next prime (1345148429).

It can be written as a sum of positive squares in 2 ways, for example, as 1124596225 + 220552201 = 33535^2 + 14851^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1345148426.

It is not an unprimeable number, because it can be changed into a prime (1345148423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19781561 + ... + 19781628.

Almost surely, 21345148426 is an apocalyptic number.

1345148426 is a deficient number, since it is larger than the sum of its proper divisors (791263834).

1345148426 is a wasteful number, since it uses less digits than its factorization.

1345148426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39563208.

The product of its digits is 92160, while the sum is 38.

The square root of 1345148426 is about 36676.2651588190. The cubic root of 1345148426 is about 1103.8839084721.

The spelling of 1345148426 in words is "one billion, three hundred forty-five million, one hundred forty-eight thousand, four hundred twenty-six".

Divisors: 1 2 17 34 39563189 79126378 672574213 1345148426