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91486052 = 22737233379
BaseRepresentation
bin1010111001111…
…11011101100100
320101010222021022
411130333131210
5141410023202
613024510312
72160422120
oct534773544
9211128238
1091486052
1147706909
122677b398
1315c52478
14c216580
158071ea2
hex573f764

91486052 has 48 divisors (see below), whose sum is σ = 189221760. Its totient is φ = 37884672.

The previous prime is 91486051. The next prime is 91486081. The reversal of 91486052 is 25068419.

It is not an unprimeable number, because it can be changed into a prime (91486051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241199 + ... + 241577.

It is an arithmetic number, because the mean of its divisors is an integer number (3942120).

Almost surely, 291486052 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 91486052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94610880).

91486052 is an abundant number, since it is smaller than the sum of its proper divisors (97735708).

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

91486052 is a wasteful number, since it uses less digits than its factorization.

91486052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 91486052 is about 9564.8341334286. The cubic root of 91486052 is about 450.5935410668.

The spelling of 91486052 in words is "ninety-one million, four hundred eighty-six thousand, fifty-two".

Divisors: 1 2 4 7 14 28 37 74 148 233 259 379 466 518 758 932 1036 1516 1631 2653 3262 5306 6524 8621 10612 14023 17242 28046 34484 56092 60347 88307 98161 120694 176614 196322 241388 353228 392644 618149 1236298 2472596 3267359 6534718 13069436 22871513 45743026 91486052