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64998452 = 2217239431
BaseRepresentation
bin1111011111110…
…0110000110100
311112022021010002
43313330300310
5113114422302
610241050432
71416322601
oct367746064
9145267102
1064998452
1133765332
1219926a18
131060a12c
1488bd6a8
155a8dc02
hex3dfcc34

64998452 has 12 divisors (see below), whose sum is σ = 113825376. Its totient is φ = 32476920.

The previous prime is 64998443. The next prime is 64998467. The reversal of 64998452 is 25489946.

It is a junction number, because it is equal to n+sod(n) for n = 64998397 and 64998406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (9485448).

Almost surely, 264998452 is an apocalyptic number.

It is an amenable number.

64998452 is a deficient number, since it is larger than the sum of its proper divisors (48826924).

64998452 is a wasteful number, since it uses less digits than its factorization.

64998452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158 (or 11156 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 64998452 is about 8062.1617448424. The cubic root of 64998452 is about 402.0693839959.

The spelling of 64998452 in words is "sixty-four million, nine hundred ninety-eight thousand, four hundred fifty-two".

Divisors: 1 2 4 1723 3446 6892 9431 18862 37724 16249613 32499226 64998452