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2247390429 = 31753831443
BaseRepresentation
bin1000010111110100…
…0111010011011101
312210121212021002120
42011331013103131
514100312443204
61011001213153
7106456334454
oct20575072335
95717767076
102247390429
11a53658769
125287911b9
1329a7b502b
14174695b9b
15d247d6d9
hex85f474dd

2247390429 has 16 divisors (see below), whose sum is σ = 3232654272. Its totient is φ = 1383519488.

The previous prime is 2247390427. The next prime is 2247390479. The reversal of 2247390429 is 9240937422.

It is a cyclic number.

It is not a de Polignac number, because 2247390429 - 21 = 2247390427 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247390427) 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, 413019 + ... + 418424.

It is an arithmetic number, because the mean of its divisors is an integer number (202040892).

Almost surely, 22247390429 is an apocalyptic number.

It is an amenable number.

2247390429 is a deficient number, since it is larger than the sum of its proper divisors (985263843).

2247390429 is a wasteful number, since it uses less digits than its factorization.

2247390429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831516.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2247390429 is about 47406.6496285068. The cubic root of 2247390429 is about 1309.8639077394.

The spelling of 2247390429 in words is "two billion, two hundred forty-seven million, three hundred ninety thousand, four hundred twenty-nine".

Divisors: 1 3 17 51 53 159 901 2703 831443 2494329 14134531 42403593 44066479 132199437 749130143 2247390429