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416023381 = 1313175751
BaseRepresentation
bin11000110011000…
…000001101010101
31001222211011210101
4120303000031111
51323000222011
6105140454101
713211066104
oct3063001525
91058734711
10416023381
111a391a584
12b73aa331
13682619a7
143d37603b
15267cb2c1
hex18cc0355

416023381 has 4 divisors (see below), whose sum is σ = 419199264. Its totient is φ = 412847500.

The previous prime is 416023339. The next prime is 416023429. The reversal of 416023381 is 183320614.

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.

It is a cyclic number.

It is not a de Polignac number, because 416023381 - 29 = 416022869 is a prime.

It is a super-2 number, since 2×4160233812 = 346150907077342322, 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 (416023331) 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, 1587745 + ... + 1588006.

It is an arithmetic number, because the mean of its divisors is an integer number (104799816).

Almost surely, 2416023381 is an apocalyptic number.

It is an amenable number.

416023381 is a deficient number, since it is larger than the sum of its proper divisors (3175883).

416023381 is a wasteful number, since it uses less digits than its factorization.

416023381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175882.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 416023381 is about 20396.6512202371. The cubic root of 416023381 is about 746.5162166533.

Adding to 416023381 its reverse (183320614), we get a palindrome (599343995).

The spelling of 416023381 in words is "four hundred sixteen million, twenty-three thousand, three hundred eighty-one".

Divisors: 1 131 3175751 416023381