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740003431 = 1923535807
BaseRepresentation
bin101100000110111…
…000111001100111
31220120110001212111
4230012320321213
53003420102211
6201232501451
724223632256
oct5406707147
91816401774
10740003431
1134a792592
121879aa887
13ba40766b
14703cc79d
1544e75421
hex2c1b8e67

740003431 has 12 divisors (see below), whose sum is σ = 783348192. Its totient is φ = 698949504.

The previous prime is 740003419. The next prime is 740003447. The reversal of 740003431 is 134300047.

It is a happy number.

It is not a de Polignac number, because 740003431 - 215 = 739970663 is a prime.

It is a super-2 number, since 2×7400034312 = 1095210155783543522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740003401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124530 + ... + 130336.

It is an arithmetic number, because the mean of its divisors is an integer number (65279016).

Almost surely, 2740003431 is an apocalyptic number.

740003431 is a deficient number, since it is larger than the sum of its proper divisors (43344761).

740003431 is a wasteful number, since it uses less digits than its factorization.

740003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 740003431 is about 27203.0040804320. The cubic root of 740003431 is about 904.5055675560.

Adding to 740003431 its reverse (134300047), we get a palindrome (874303478).

The spelling of 740003431 in words is "seven hundred forty million, three thousand, four hundred thirty-one".

Divisors: 1 19 353 361 5807 6707 110333 127433 2049871 2096327 38947549 740003431