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740531893 = 8371912409
BaseRepresentation
bin101100001000111…
…001111010110101
31220121102220210011
4230020321322311
53004034010033
6201252100221
724231263053
oct5410717265
91817386704
10740531893
11350013632
12188004671
13ba56106a
14704c91d3
154502bccd
hex2c239eb5

740531893 has 8 divisors (see below), whose sum is σ = 750556800. Its totient is φ = 730533408.

The previous prime is 740531881. The next prime is 740531921. The reversal of 740531893 is 398135047.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-740531893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740537893) 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, 53473 + ... + 65881.

It is an arithmetic number, because the mean of its divisors is an integer number (93819600).

Almost surely, 2740531893 is an apocalyptic number.

It is an amenable number.

740531893 is a deficient number, since it is larger than the sum of its proper divisors (10024907).

740531893 is a wasteful number, since it uses less digits than its factorization.

740531893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13211.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 740531893 is about 27212.7156491226. The cubic root of 740531893 is about 904.7208292073.

The spelling of 740531893 in words is "seven hundred forty million, five hundred thirty-one thousand, eight hundred ninety-three".

Divisors: 1 83 719 12409 59677 1029947 8922071 740531893