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740420219 = 71117875381
BaseRepresentation
bin101100001000011…
…110101001111011
31220121020020121002
4230020132221323
53004021421334
6201245435215
724230316350
oct5410365173
91817206532
10740420219
1134aa47740
12187b6bb0b
13ba522296
147049a627
1545008b7e
hex2c21ea7b

740420219 has 16 divisors (see below), whose sum is σ = 923809536. Its totient is φ = 576520800.

The previous prime is 740420167. The next prime is 740420243. The reversal of 740420219 is 912024047.

It is a cyclic number.

It is not a de Polignac number, because 740420219 - 28 = 740419963 is a prime.

It is a super-2 number, since 2×7404202192 = 1096444201408015922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 740420191 and 740420200.

It is not an unprimeable number, because it can be changed into a prime (740420269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134909 + ... + 140289.

It is an arithmetic number, because the mean of its divisors is an integer number (57738096).

Almost surely, 2740420219 is an apocalyptic number.

740420219 is a deficient number, since it is larger than the sum of its proper divisors (183389317).

740420219 is a wasteful number, since it uses less digits than its factorization.

740420219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 740420219 is about 27210.6637001011. The cubic root of 740420219 is about 904.6753488916.

The spelling of 740420219 in words is "seven hundred forty million, four hundred twenty thousand, two hundred nineteen".

Divisors: 1 7 11 77 1787 5381 12509 19657 37667 59191 137599 414337 9615847 67310929 105774317 740420219