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1949245152 = 253191106307
BaseRepresentation
bin111010000101111…
…0001111011100000
312000211211220122220
41310023301323200
512443001321102
6521231031040
766206211321
oct16413617340
95024756586
101949245152
11910330808
1246496b480
13250ab64ca
14146c46448
15b61d91bc
hex742f1ee0

1949245152 has 48 divisors (see below), whose sum is σ = 5143606272. Its totient is φ = 646340480.

The previous prime is 1949245079. The next prime is 1949245153. The reversal of 1949245152 is 2515429491.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949245153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34818 + ... + 71489.

It is an arithmetic number, because the mean of its divisors is an integer number (107158464).

Almost surely, 21949245152 is an apocalyptic number.

1949245152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949245152 is an abundant number, since it is smaller than the sum of its proper divisors (3194361120).

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

1949245152 is a wasteful number, since it uses less digits than its factorization.

1949245152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106511 (or 106503 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 1949245152 is about 44150.2565337960. The cubic root of 1949245152 is about 1249.1717504166.

The spelling of 1949245152 in words is "one billion, nine hundred forty-nine million, two hundred forty-five thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 191 382 573 764 1146 1528 2292 3056 4584 6112 9168 18336 106307 212614 318921 425228 637842 850456 1275684 1700912 2551368 3401824 5102736 10205472 20304637 40609274 60913911 81218548 121827822 162437096 243655644 324874192 487311288 649748384 974622576 1949245152