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68974437 = 3710930133
BaseRepresentation
bin1000001110001…
…11011101100101
311210210021010210
410013013131211
5120124140222
610502210033
71465162440
oct407073545
9153707123
1068974437
1135a30574
121b123919
131139ca9c
149236657
1560c6d0c
hex41c7765

68974437 has 16 divisors (see below), whose sum is σ = 106071680. Its totient is φ = 39051072.

The previous prime is 68974429. The next prime is 68974439. The reversal of 68974437 is 73447986.

It is a happy number.

It is not a de Polignac number, because 68974437 - 23 = 68974429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68974439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12778 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (6629480).

Almost surely, 268974437 is an apocalyptic number.

It is an amenable number.

68974437 is a deficient number, since it is larger than the sum of its proper divisors (37097243).

68974437 is a wasteful number, since it uses less digits than its factorization.

68974437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30252.

The product of its digits is 1016064, while the sum is 48.

The square root of 68974437 is about 8305.0850085956. The cubic root of 68974437 is about 410.1059353468.

The spelling of 68974437 in words is "sixty-eight million, nine hundred seventy-four thousand, four hundred thirty-seven".

Divisors: 1 3 7 21 109 327 763 2289 30133 90399 210931 632793 3284497 9853491 22991479 68974437