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1087431352 = 23723844279
BaseRepresentation
bin100000011010000…
…1110001010111000
32210210012020101021
41000310032022320
54211340300402
6255523232224
735643004540
oct10064161270
92723166337
101087431352
115089102a7
12264218674
1314439cc07
14a45ca320
1565701d37
hex40d0e2b8

1087431352 has 32 divisors (see below), whose sum is σ = 2431526400. Its totient is φ = 445778784.

The previous prime is 1087431341. The next prime is 1087431377. The reversal of 1087431352 is 2531347801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420852 + ... + 423427.

It is an arithmetic number, because the mean of its divisors is an integer number (75985200).

Almost surely, 21087431352 is an apocalyptic number.

It is an amenable number.

1087431352 is an abundant number, since it is smaller than the sum of its proper divisors (1344095048).

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

1087431352 is a wasteful number, since it uses less digits than its factorization.

1087431352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844315 (or 844311 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1087431352 is about 32976.2240409662. The cubic root of 1087431352 is about 1028.3334194812. Note that the first 3 decimals are identical.

The spelling of 1087431352 in words is "one billion, eighty-seven million, four hundred thirty-one thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 844279 1688558 3377116 5909953 6754232 11819906 19418417 23639812 38836834 47279624 77673668 135928919 155347336 271857838 543715676 1087431352