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45421415 = 5132632657
BaseRepresentation
bin1010110101000…
…1001101100111
310011110122110122
42231101031213
543111441130
64301312155
71061034644
oct255211547
9104418418
1045421415
1123703866
121326565b
1395443a0
146064dcb
153ec32e5
hex2b51367

45421415 has 16 divisors (see below), whose sum is σ = 58943808. Its totient is φ = 33401856.

The previous prime is 45421379. The next prime is 45421421. The reversal of 45421415 is 51412454.

It is a cyclic number.

It is not a de Polignac number, because 45421415 - 26 = 45421351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15767 + ... + 18423.

It is an arithmetic number, because the mean of its divisors is an integer number (3683988).

Almost surely, 245421415 is an apocalyptic number.

45421415 is a deficient number, since it is larger than the sum of its proper divisors (13522393).

45421415 is a wasteful number, since it uses less digits than its factorization.

45421415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938.

The product of its digits is 3200, while the sum is 26.

The square root of 45421415 is about 6739.5411564883. The cubic root of 45421415 is about 356.7961995907.

Adding to 45421415 its reverse (51412454), we get a palindrome (96833869).

The spelling of 45421415 in words is "forty-five million, four hundred twenty-one thousand, four hundred fifteen".

Divisors: 1 5 13 65 263 1315 2657 3419 13285 17095 34541 172705 698791 3493955 9084283 45421415