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16970472 = 233426189
BaseRepresentation
bin100000010111…
…1001011101000
31011221012010000
41000233023220
513321023342
61403423000
7264150411
oct100571350
934835100
1016970472
119641192
125824a60
1336924cc
14237a808
15175344c
hex102f2e8

16970472 has 40 divisors (see below), whose sum is σ = 47534850. Its totient is φ = 5656608.

The previous prime is 16970467. The next prime is 16970507. The reversal of 16970472 is 27407961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12068676 + 4901796 = 3474^2 + 2214^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12447 + ... + 13742.

Almost surely, 216970472 is an apocalyptic number.

16970472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16970472 is an abundant number, since it is smaller than the sum of its proper divisors (30564378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16970472 is a wasteful number, since it uses less digits than its factorization.

16970472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26207 (or 26194 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 16970472 is about 4119.5232733898. The cubic root of 16970472 is about 256.9792006261.

The spelling of 16970472 in words is "sixteen million, nine hundred seventy thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 648 26189 52378 78567 104756 157134 209512 235701 314268 471402 628536 707103 942804 1414206 1885608 2121309 2828412 4242618 5656824 8485236 16970472