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1023253152 = 25315767891
BaseRepresentation
bin111100111111011…
…001101010100000
32122022102122102220
4330333121222200
54043423100102
6245311511040
734233336225
oct7477315240
92568378386
101023253152
11485666269
12246828480
13133cbc24c
1499c8194c
155ec761bc
hex3cfd9aa0

1023253152 has 48 divisors (see below), whose sum is σ = 2703187872. Its totient is φ = 338906880.

The previous prime is 1023253129. The next prime is 1023253159. The reversal of 1023253152 is 2513523201.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1023253159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18874 + ... + 49017.

It is an arithmetic number, because the mean of its divisors is an integer number (56316414).

Almost surely, 21023253152 is an apocalyptic number.

1023253152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023253152 is an abundant number, since it is smaller than the sum of its proper divisors (1679934720).

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

1023253152 is a wasteful number, since it uses less digits than its factorization.

1023253152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68061 (or 68053 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1023253152 is about 31988.3283714545. The cubic root of 1023253152 is about 1007.6917361731.

Adding to 1023253152 its reverse (2513523201), we get a palindrome (3536776353).

The spelling of 1023253152 in words is "one billion, twenty-three million, two hundred fifty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 157 314 471 628 942 1256 1884 2512 3768 5024 7536 15072 67891 135782 203673 271564 407346 543128 814692 1086256 1629384 2172512 3258768 6517536 10658887 21317774 31976661 42635548 63953322 85271096 127906644 170542192 255813288 341084384 511626576 1023253152