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64898946 = 23271927109
BaseRepresentation
bin1111011110010…
…0011110000010
311112010012121200
43313210132002
5113103231241
610235002030
71415426520
oct367443602
9145105550
1064898946
11336a75a2
1219899316
13105a3a58
148895310
155a6e4b6
hex3de4782

64898946 has 48 divisors (see below), whose sum is σ = 169166400. Its totient is φ = 17565984.

The previous prime is 64898929. The next prime is 64898957. The reversal of 64898946 is 64989846.

It is a junction number, because it is equal to n+sod(n) for n = 64898892 and 64898901.

It is a congruent number.

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, 11161 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (3524300).

Almost surely, 264898946 is an apocalyptic number.

64898946 is an abundant number, since it is smaller than the sum of its proper divisors (104267454).

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

64898946 is a wasteful number, since it uses less digits than its factorization.

64898946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143 (or 27140 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 64898946 is about 8055.9882075385. The cubic root of 64898946 is about 401.8641034675.

The spelling of 64898946 in words is "sixty-four million, eight hundred ninety-eight thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 57 63 114 126 133 171 266 342 399 798 1197 2394 27109 54218 81327 162654 189763 243981 379526 487962 515071 569289 1030142 1138578 1545213 1707867 3090426 3415734 3605497 4635639 7210994 9271278 10816491 21632982 32449473 64898946