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69049098 = 234426229
BaseRepresentation
bin1000001110110…
…01101100001010
311210221001120000
410013121230022
5120134032343
610503543430
71465623216
oct407315412
9153831500
1069049098
1135a81678
121b15ab76
13113c7a71
149255946
1560dded3
hex41d9b0a

69049098 has 20 divisors (see below), whose sum is σ = 154721490. Its totient is φ = 23016312.

The previous prime is 69049069. The next prime is 69049103. The reversal of 69049098 is 89094096.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 42849 = 8307^2 + 207^2 .

It is a super-2 number, since 2×690490982 = 9535555869227208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 212953 + ... + 213276.

Almost surely, 269049098 is an apocalyptic number.

69049098 is an abundant number, since it is smaller than the sum of its proper divisors (85672392).

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

69049098 is a wasteful number, since it uses less digits than its factorization.

69049098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426243 (or 426234 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 69049098 is about 8309.5786896810. The cubic root of 69049098 is about 410.2538542930.

The spelling of 69049098 in words is "sixty-nine million, forty-nine thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 27 54 81 162 426229 852458 1278687 2557374 3836061 7672122 11508183 23016366 34524549 69049098