Search a number
-
+
740499894 = 2344570987
BaseRepresentation
bin101100001000110…
…010000110110110
31220121101021220000
4230020302012312
53004031444034
6201251252130
724231100551
oct5410620666
91817337800
10740499894
1134aaa1592
12187baa046
13ba54c624
14704bb698
1545022599
hex2c2321b6

740499894 has 20 divisors (see below), whose sum is σ = 1659268644. Its totient is φ = 246833244.

The previous prime is 740499887. The next prime is 740499919. The reversal of 740499894 is 498994047.

It is a happy number.

740499894 is a `hidden beast` number, since 74 + 0 + 499 + 89 + 4 = 666.

It is a super-2 number, since 2×7404998942 = 1096680186028022472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 740499894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2285332 + ... + 2285655.

Almost surely, 2740499894 is an apocalyptic number.

740499894 is an abundant number, since it is smaller than the sum of its proper divisors (918768750).

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

740499894 is a wasteful number, since it uses less digits than its factorization.

740499894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571001 (or 4570992 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 740499894 is about 27212.1277007146. The cubic root of 740499894 is about 904.7077977727.

The spelling of 740499894 in words is "seven hundred forty million, four hundred ninety-nine thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 4570987 9141974 13712961 27425922 41138883 82277766 123416649 246833298 370249947 740499894