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245994072 = 23383123491
BaseRepresentation
bin11101010100110…
…01001001011000
3122010212210102120
432222121021120
51000433302242
640224301240
76044625612
oct1652311130
9563783376
10245994072
11116947a95
126a471820
133bc6c22c
1424955db2
15168e21ec
hexea99258

245994072 has 32 divisors (see below), whose sum is σ = 622399680. Its totient is φ = 81009440.

The previous prime is 245994059. The next prime is 245994103. The reversal of 245994072 is 270499542.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 59754 + ... + 63737.

It is an arithmetic number, because the mean of its divisors is an integer number (19449990).

Almost surely, 2245994072 is an apocalyptic number.

It is an amenable number.

245994072 is an abundant number, since it is smaller than the sum of its proper divisors (376405608).

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

245994072 is a wasteful number, since it uses less digits than its factorization.

245994072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123583 (or 123579 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 245994072 is about 15684.1981624819. The cubic root of 245994072 is about 626.5776225275.

The spelling of 245994072 in words is "two hundred forty-five million, nine hundred ninety-four thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 83 166 249 332 498 664 996 1992 123491 246982 370473 493964 740946 987928 1481892 2963784 10249753 20499506 30749259 40999012 61498518 81998024 122997036 245994072