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69342085 = 513868417
BaseRepresentation
bin1000010001000…
…01001110000101
311211110221110101
410020201032011
5120222421320
610514124101
71501253341
oct410411605
9154427411
1069342085
113616180a
121b280631
131149b227
1492d0621
15614ac0a
hex4221385

69342085 has 4 divisors (see below), whose sum is σ = 83210508. Its totient is φ = 55473664.

The previous prime is 69342059. The next prime is 69342109. The reversal of 69342085 is 58024396.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14493249 + 54848836 = 3807^2 + 7406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-69342085 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6934204 + ... + 6934213.

It is an arithmetic number, because the mean of its divisors is an integer number (20802627).

Almost surely, 269342085 is an apocalyptic number.

It is an amenable number.

69342085 is a deficient number, since it is larger than the sum of its proper divisors (13868423).

69342085 is a wasteful number, since it uses less digits than its factorization.

69342085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13868422.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 69342085 is about 8327.1895018668. The cubic root of 69342085 is about 410.8332943380.

It can be divided in two parts, 693 and 42085, that added together give a triangular number (42778 = T292).

The spelling of 69342085 in words is "sixty-nine million, three hundred forty-two thousand, eighty-five".

Divisors: 1 5 13868417 69342085