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61368192 = 27351973
BaseRepresentation
bin1110101000011…
…0011110000000
311021110211100000
43222012132000
5111202240232
610031200000
71343423004
oct352063600
9137424300
1061368192
1131705916
1218676000
13c938952
148216704
1555c327c
hex3a86780

61368192 has 96 divisors (see below), whose sum is σ = 183226680. Its totient is φ = 20445696.

The previous prime is 61368187. The next prime is 61368247. The reversal of 61368192 is 29186316.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30118 + ... + 32090.

Almost surely, 261368192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61368192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91613340).

61368192 is an abundant number, since it is smaller than the sum of its proper divisors (121858488).

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

61368192 is an equidigital number, since it uses as much as digits as its factorization.

61368192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1978 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 61368192 is about 7833.7852919262. The cubic root of 61368192 is about 394.4401447451.

The spelling of 61368192 in words is "sixty-one million, three hundred sixty-eight thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 288 324 384 432 486 576 648 864 972 1152 1296 1728 1944 1973 2592 3456 3888 3946 5184 5919 7776 7892 10368 11838 15552 15784 17757 23676 31104 31568 35514 47352 53271 63136 71028 94704 106542 126272 142056 159813 189408 213084 252544 284112 319626 378816 426168 479439 568224 639252 757632 852336 958878 1136448 1278504 1704672 1917756 2272896 2557008 3409344 3835512 5114016 6818688 7671024 10228032 15342048 20456064 30684096 61368192