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163474741 = 3493831223
BaseRepresentation
bin10011011111001…
…10110100110101
3102101121101012001
421233212310311
5313322142431
624115455301
74023340513
oct1157466465
9371541161
10163474741
1184305aa1
12468b7531
1327b39221
14179d54b3
15e541e61
hex9be6d35

163474741 has 8 divisors (see below), whose sum is σ = 164505600. Its totient is φ = 162447792.

The previous prime is 163474739. The next prime is 163474757. The reversal of 163474741 is 147474361.

163474741 = T10438 + T10439 + T10440.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163474741 - 21 = 163474739 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163474741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163478741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133056 + ... + 134278.

It is an arithmetic number, because the mean of its divisors is an integer number (20563200).

Almost surely, 2163474741 is an apocalyptic number.

163474741 is the 10440-th centered triangular number.

It is an amenable number.

163474741 is a deficient number, since it is larger than the sum of its proper divisors (1030859).

163474741 is a wasteful number, since it uses less digits than its factorization.

163474741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its digits is 56448, while the sum is 37.

The square root of 163474741 is about 12785.7241093338. The cubic root of 163474741 is about 546.7853701099.

The spelling of 163474741 in words is "one hundred sixty-three million, four hundred seventy-four thousand, seven hundred forty-one".

Divisors: 1 349 383 1223 133667 426827 468409 163474741