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16741972 = 2213321961
BaseRepresentation
bin111111110111…
…011001010100
31011111120200001
4333313121110
513241220342
61354501044
7262206262
oct77673124
934446601
1016741972
1194a5545
125734784
1336124c0
14231b432
15170a8b7
hexff7654

16741972 has 12 divisors (see below), whose sum is σ = 31552276. Its totient is φ = 7727040.

The previous prime is 16741943. The next prime is 16741973. The reversal of 16741972 is 27914761.

It can be written as a sum of positive squares in 2 ways, for example, as 5692996 + 11048976 = 2386^2 + 3324^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16741973) 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, 160929 + ... + 161032.

Almost surely, 216741972 is an apocalyptic number.

It is an amenable number.

16741972 is a deficient number, since it is larger than the sum of its proper divisors (14810304).

16741972 is a wasteful number, since it uses less digits than its factorization.

16741972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321978 (or 321976 counting only the distinct ones).

The product of its digits is 21168, while the sum is 37.

The square root of 16741972 is about 4091.6954920913. The cubic root of 16741972 is about 255.8206140750.

The spelling of 16741972 in words is "sixteen million, seven hundred forty-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 13 26 52 321961 643922 1287844 4185493 8370986 16741972