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61092000 = 2532531697
BaseRepresentation
bin1110100100001…
…1000010100000
311020221210110200
43221003002200
5111114421000
610021225200
71341162534
oct351030240
9136853420
1061092000
1131537362
1218562200
13c870018
148183bc4
15556b500
hex3a430a0

61092000 has 144 divisors (see below), whose sum is σ = 216943272. Its totient is φ = 16281600.

The previous prime is 61091977. The next prime is 61092037. The reversal of 61092000 is 29016.

It can be written as a sum of positive squares in 4 ways, for example, as 35569296 + 25522704 = 5964^2 + 5052^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35152 + ... + 36848.

Almost surely, 261092000 is an apocalyptic number.

61092000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61092000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108471636).

61092000 is an abundant number, since it is smaller than the sum of its proper divisors (155851272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61092000 is a wasteful number, since it uses less digits than its factorization.

61092000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 61092000 is about 7816.1371533514. The cubic root of 61092000 is about 393.8475193074.

The spelling of 61092000 in words is "sixty-one million, ninety-two thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 125 144 150 160 180 200 225 240 250 288 300 360 375 400 450 480 500 600 720 750 800 900 1000 1125 1200 1440 1500 1697 1800 2000 2250 2400 3000 3394 3600 4000 4500 5091 6000 6788 7200 8485 9000 10182 12000 13576 15273 16970 18000 20364 25455 27152 30546 33940 36000 40728 42425 50910 54304 61092 67880 76365 81456 84850 101820 122184 127275 135760 152730 162912 169700 203640 212125 244368 254550 271520 305460 339400 381825 407280 424250 488736 509100 610920 636375 678800 763650 814560 848500 1018200 1221840 1272750 1357600 1527300 1697000 1909125 2036400 2443680 2545500 3054600 3394000 3818250 4072800 5091000 6109200 6788000 7636500 10182000 12218400 15273000 20364000 30546000 61092000