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69378472 = 2361142169
BaseRepresentation
bin1000010001010…
…10000110101000
311211112210101001
410020222012220
5120230102342
610515004344
71501464412
oct410520650
9154483331
1069378472
1136187089
121b2996b4
13114b1967
1492dd9b2
1561568b7
hex422a1a8

69378472 has 16 divisors (see below), whose sum is σ = 132218100. Its totient is φ = 34120320.

The previous prime is 69378461. The next prime is 69378487. The reversal of 69378472 is 27487396.

It can be written as a sum of positive squares in 2 ways, for example, as 60933636 + 8444836 = 7806^2 + 2906^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70597 + ... + 71572.

Almost surely, 269378472 is an apocalyptic number.

It is an amenable number.

69378472 is a deficient number, since it is larger than the sum of its proper divisors (62839628).

69378472 is a wasteful number, since it uses less digits than its factorization.

69378472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142236 (or 142232 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 69378472 is about 8329.3740461093. The cubic root of 69378472 is about 410.9051428507.

The spelling of 69378472 in words is "sixty-nine million, three hundred seventy-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 61 122 244 488 142169 284338 568676 1137352 8672309 17344618 34689236 69378472