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249004896 = 25373111953
BaseRepresentation
bin11101101011110…
…00001101100000
3122100112202111120
432311320031200
51002221124041
640413012240
76112335540
oct1665701540
9570482446
10249004896
11118614078
126b484080
133c78479a
14250db320
1516cd9366
hexed78360

249004896 has 96 divisors (see below), whose sum is σ = 771176448. Its totient is φ = 68843520.

The previous prime is 249004883. The next prime is 249004901. The reversal of 249004896 is 698400942.

249004896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14856 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (8033088).

Almost surely, 2249004896 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 249004896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385588224).

249004896 is an abundant number, since it is smaller than the sum of its proper divisors (522171552).

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

249004896 is a wasteful number, since it uses less digits than its factorization.

249004896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12004 (or 11996 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 249004896 is about 15779.8889729934. Note that the first 3 decimals coincide. The cubic root of 249004896 is about 629.1235785139.

The spelling of 249004896 in words is "two hundred forty-nine million, four thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 84 93 96 112 124 168 186 217 224 248 336 372 434 496 651 672 744 868 992 1302 1488 1736 2604 2976 3472 5208 6944 10416 11953 20832 23906 35859 47812 71718 83671 95624 143436 167342 191248 251013 286872 334684 370543 382496 502026 573744 669368 741086 1004052 1111629 1147488 1338736 1482172 2008104 2223258 2593801 2677472 2964344 4016208 4446516 5187602 5928688 7781403 8032416 8893032 10375204 11857376 15562806 17786064 20750408 31125612 35572128 41500816 62251224 83001632 124502448 249004896