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1020297952 = 25291099459
BaseRepresentation
bin111100110100001…
…000001011100000
32122002212111200001
4330310020023200
54042144013302
6245124305344
734166250412
oct7464101340
92562774601
101020297952
11483a27a53
12245842254
131334c60cb
14997129b2
155e890787
hex3cd082e0

1020297952 has 24 divisors (see below), whose sum is σ = 2077979400. Its totient is φ = 492557184.

The previous prime is 1020297911. The next prime is 1020297953. The reversal of 1020297952 is 2597920201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020297953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548802 + ... + 550657.

It is an arithmetic number, because the mean of its divisors is an integer number (86582475).

Almost surely, 21020297952 is an apocalyptic number.

It is an amenable number.

1020297952 is an abundant number, since it is smaller than the sum of its proper divisors (1057681448).

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

1020297952 is a wasteful number, since it uses less digits than its factorization.

1020297952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099498 (or 1099490 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1020297952 is about 31942.1031242465. The cubic root of 1020297952 is about 1006.7207148054.

The spelling of 1020297952 in words is "one billion, twenty million, two hundred ninety-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 1099459 2198918 4397836 8795672 17591344 31884311 35182688 63768622 127537244 255074488 510148976 1020297952