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68969437 = 1131394391
BaseRepresentation
bin1000001110001…
…10001111011101
311210210000021121
410013012033131
5120124010222
610502130541
71465142035
oct407061735
9153700247
1068969437
1135a27839
121b120a51
131139a724
1492348c5
1560c55c7
hex41c63dd

68969437 has 8 divisors (see below), whose sum is σ = 70096320. Its totient is φ = 67851840.

The previous prime is 68969419. The next prime is 68969441. The reversal of 68969437 is 73496986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68969437 - 27 = 68969309 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 (68969137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13512 + ... + 17902.

It is an arithmetic number, because the mean of its divisors is an integer number (8762040).

Almost surely, 268969437 is an apocalyptic number.

It is an amenable number.

68969437 is a deficient number, since it is larger than the sum of its proper divisors (1126883).

68969437 is a wasteful number, since it uses less digits than its factorization.

68969437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643.

The product of its digits is 1959552, while the sum is 52.

The square root of 68969437 is about 8304.7839827415. The cubic root of 68969437 is about 410.0960254956.

The spelling of 68969437 in words is "sixty-eight million, nine hundred sixty-nine thousand, four hundred thirty-seven".

Divisors: 1 113 139 4391 15707 496183 610349 68969437