Search a number
-
+
1157419 = 29107373
BaseRepresentation
bin100011010100100101011
32011210200101
410122210223
5244014134
640450231
712560254
oct4324453
92153611
101157419
1172064a
12479977
13316a83
14221b2b
1517ce14
hex11a92b

1157419 has 8 divisors (see below), whose sum is σ = 1211760. Its totient is φ = 1104096.

The previous prime is 1157413. The next prime is 1157437. The reversal of 1157419 is 9147511.

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

It is a cyclic number.

It is not a de Polignac number, because 1157419 - 29 = 1156907 is a prime.

It is a super-2 number, since 2×11574192 = 2679237483122, which contains 22 as substring.

It is a Duffinian number.

1157419 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1157413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2917 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (151470).

21157419 is an apocalyptic number.

1157419 is a deficient number, since it is larger than the sum of its proper divisors (54341).

1157419 is a wasteful number, since it uses less digits than its factorization.

1157419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 1260, while the sum is 28.

The square root of 1157419 is about 1075.8340950165. The cubic root of 1157419 is about 104.9937713614.

The spelling of 1157419 in words is "one million, one hundred fifty-seven thousand, four hundred nineteen".

Divisors: 1 29 107 373 3103 10817 39911 1157419