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85401554 = 276100111
BaseRepresentation
bin1010001011100…
…01111111010010
312221200211220112
411011301333102
5133330322204
612250241322
72054621060
oct505617722
9187624815
1085401554
11442304a7
1224726242
1314901b84
14b4b1030
15776e26e
hex5171fd2

85401554 has 8 divisors (see below), whose sum is σ = 146402688. Its totient is φ = 36600660.

The previous prime is 85401551. The next prime is 85401571. The reversal of 85401554 is 45510458.

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

It is a super-2 number, since 2×854015542 = 14586850851229832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85401554.

It is not an unprimeable number, because it can be changed into a prime (85401551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050042 + ... + 3050069.

It is an arithmetic number, because the mean of its divisors is an integer number (18300336).

Almost surely, 285401554 is an apocalyptic number.

85401554 is a deficient number, since it is larger than the sum of its proper divisors (61001134).

85401554 is a wasteful number, since it uses less digits than its factorization.

85401554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100120.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 85401554 is about 9241.2961212159. The cubic root of 85401554 is about 440.3742580172.

The spelling of 85401554 in words is "eighty-five million, four hundred one thousand, five hundred fifty-four".

Divisors: 1 2 7 14 6100111 12200222 42700777 85401554