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69682942 = 2728117713
BaseRepresentation
bin1000010011101…
…00011011111110
311212010021000201
410021310123332
5120314323232
610525314114
71504203160
oct411643376
9155107021
1069682942
113637490a
121b40593a
131158a414
14937c930
1561b6be7
hex42746fe

69682942 has 16 divisors (see below), whose sum is σ = 119888352. Its totient is φ = 29756160.

The previous prime is 69682931. The next prime is 69682997. The reversal of 69682942 is 24928696.

It is a junction number, because it is equal to n+sod(n) for n = 69682892 and 69682901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4923 + ... + 12790.

It is an arithmetic number, because the mean of its divisors is an integer number (7493022).

Almost surely, 269682942 is an apocalyptic number.

69682942 is a deficient number, since it is larger than the sum of its proper divisors (50205410).

69682942 is a wasteful number, since it uses less digits than its factorization.

69682942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18003.

The product of its digits is 373248, while the sum is 46.

The square root of 69682942 is about 8347.6309214052. The cubic root of 69682942 is about 411.5053565098.

It can be divided in two parts, 696 and 82942, that added together give a palindrome (83638).

The spelling of 69682942 in words is "sixty-nine million, six hundred eighty-two thousand, nine hundred forty-two".

Divisors: 1 2 7 14 281 562 1967 3934 17713 35426 123991 247982 4977353 9954706 34841471 69682942