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889745952 = 25313767651
BaseRepresentation
bin110101000010000…
…111001000100000
32022000012202222210
4311002013020200
53310233332302
6224142202120
731022500344
oct6502071040
92260182883
10889745952
11417269337
12209b83340
131124462c4
148624b624
15531a366c
hex35087220

889745952 has 48 divisors (see below), whose sum is σ = 2352665952. Its totient is φ = 294412800.

The previous prime is 889745951. The next prime is 889745971. The reversal of 889745952 is 259547988.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 889745892 and 889745901.

It is not an unprimeable number, because it can be changed into a prime (889745951) 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, 20674 + ... + 46977.

It is an arithmetic number, because the mean of its divisors is an integer number (49013874).

Almost surely, 2889745952 is an apocalyptic number.

It is an amenable number.

889745952 is an abundant number, since it is smaller than the sum of its proper divisors (1462920000).

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

889745952 is a wasteful number, since it uses less digits than its factorization.

889745952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67801 (or 67793 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 57.

The square root of 889745952 is about 29828.6096223072. The cubic root of 889745952 is about 961.8086389972.

The spelling of 889745952 in words is "eight hundred eighty-nine million, seven hundred forty-five thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 137 274 411 548 822 1096 1644 2192 3288 4384 6576 13152 67651 135302 202953 270604 405906 541208 811812 1082416 1623624 2164832 3247248 6494496 9268187 18536374 27804561 37072748 55609122 74145496 111218244 148290992 222436488 296581984 444872976 889745952