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740611013 = 1938979527
BaseRepresentation
bin101100001001001…
…101001111000101
31220121120221022112
4230021031033011
53004044023023
6201253510405
724232042532
oct5411151705
91817527275
10740611013
1135006801a
12188042405
13ba58b08c
1470509d89
1545045478
hex2c24d3c5

740611013 has 4 divisors (see below), whose sum is σ = 779590560. Its totient is φ = 701631468.

The previous prime is 740610947. The next prime is 740611031. The reversal of 740611013 is 310116047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310116047 = 359863833.

It is a de Polignac number, because none of the positive numbers 2k-740611013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 740611013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740611033) 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, 19489745 + ... + 19489782.

It is an arithmetic number, because the mean of its divisors is an integer number (194897640).

Almost surely, 2740611013 is an apocalyptic number.

It is an amenable number.

740611013 is a deficient number, since it is larger than the sum of its proper divisors (38979547).

740611013 is a wasteful number, since it uses less digits than its factorization.

740611013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38979546.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 740611013 is about 27214.1693424584. The cubic root of 740611013 is about 904.7530488248.

The spelling of 740611013 in words is "seven hundred forty million, six hundred eleven thousand, thirteen".

Divisors: 1 19 38979527 740611013