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61480368 = 2432439929
BaseRepresentation
bin1110101010000…
…1110110110000
311021200112012200
43222201312300
5111214332433
610033423200
71344401025
oct352416660
9137615180
1061480368
1131782124
121870ab00
13c977a21
14824554c
1555e6613
hex3aa1db0

61480368 has 60 divisors (see below), whose sum is σ = 176078760. Its totient is φ = 20014848.

The previous prime is 61480337. The next prime is 61480379. The reversal of 61480368 is 86308416.

It is a happy number.

61480368 is a `hidden beast` number, since 614 + 8 + 0 + 36 + 8 = 666.

61480368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228 + ... + 11156.

It is an arithmetic number, because the mean of its divisors is an integer number (2934646).

Almost surely, 261480368 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 61480368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88039380).

61480368 is an abundant number, since it is smaller than the sum of its proper divisors (114598392).

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

61480368 is a wasteful number, since it uses less digits than its factorization.

61480368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9986 (or 9977 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 61480368 is about 7840.9417801690. The cubic root of 61480368 is about 394.6803331543.

The spelling of 61480368 in words is "sixty-one million, four hundred eighty thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 43 48 72 86 129 144 172 258 344 387 516 688 774 1032 1548 2064 3096 6192 9929 19858 29787 39716 59574 79432 89361 119148 158864 178722 238296 357444 426947 476592 714888 853894 1280841 1429776 1707788 2561682 3415576 3842523 5123364 6831152 7685046 10246728 15370092 20493456 30740184 61480368