Search a number
-
+
1457344441 = 719312831249
BaseRepresentation
bin101011011011101…
…0100111110111001
310202120020202202001
41112313110332321
510441040010231
6400335541001
751054136420
oct12667247671
93676222661
101457344441
116886a64a3
1234808a761
131a2c08ab7
14db79c2b7
1587e20b61
hex56dd4fb9

1457344441 has 32 divisors (see below), whose sum is σ = 1817600000. Its totient is φ = 1140272640.

The previous prime is 1457344439. The next prime is 1457344451. The reversal of 1457344441 is 1444437541.

It is a cyclic number.

It is not a de Polignac number, because 1457344441 - 21 = 1457344439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1457344441.

It is not an unprimeable number, because it can be changed into a prime (1457344451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1166185 + ... + 1167433.

It is an arithmetic number, because the mean of its divisors is an integer number (56800000).

Almost surely, 21457344441 is an apocalyptic number.

It is an amenable number.

1457344441 is a deficient number, since it is larger than the sum of its proper divisors (360255559).

1457344441 is a wasteful number, since it uses less digits than its factorization.

1457344441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its digits is 107520, while the sum is 37.

The square root of 1457344441 is about 38175.1809556942. The cubic root of 1457344441 is about 1133.7589703364.

The spelling of 1457344441 in words is "one billion, four hundred fifty-seven million, three hundred forty-four thousand, four hundred forty-one".

Divisors: 1 7 19 31 133 217 283 589 1249 1981 4123 5377 8743 8773 23731 37639 38719 61411 166117 166687 271033 353467 735661 1166809 2474269 5149627 6715873 10957477 47011111 76702339 208192063 1457344441