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69989074 = 234994537
BaseRepresentation
bin1000010101111…
…11001011010010
311212200210221221
410022333023102
5120404122244
610540035254
71506616531
oct412771322
9155623857
1069989074
1136563911
121b532b2a
131166686c
14941c318
156227784
hex42bf2d2

69989074 has 4 divisors (see below), whose sum is σ = 104983614. Its totient is φ = 34994536.

The previous prime is 69989047. The next prime is 69989077. The reversal of 69989074 is 47098996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49603849 + 20385225 = 7043^2 + 4515^2 .

It is not an unprimeable number, because it can be changed into a prime (69989077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17497267 + ... + 17497270.

Almost surely, 269989074 is an apocalyptic number.

69989074 is a deficient number, since it is larger than the sum of its proper divisors (34994540).

69989074 is a wasteful number, since it uses less digits than its factorization.

69989074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34994539.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 69989074 is about 8365.9472864703. The cubic root of 69989074 is about 412.1070864065.

The spelling of 69989074 in words is "sixty-nine million, nine hundred eighty-nine thousand, seventy-four".

Divisors: 1 2 34994537 69989074