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1087140552 = 23345297523
BaseRepresentation
bin100000011001100…
…0111001011001000
32210202122110110220
41000303013023020
54211301444202
6255513110040
735640353661
oct10063071310
92722573426
101087140552
11508731873
122640b8320
131442ca744
14a4552368
1565695abc
hex40cc72c8

1087140552 has 16 divisors (see below), whose sum is σ = 2717851440. Its totient is φ = 362380176.

The previous prime is 1087140541. The next prime is 1087140553. The reversal of 1087140552 is 2550417801.

It is not an unprimeable number, because it can be changed into a prime (1087140553) 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, 22648738 + ... + 22648785.

It is an arithmetic number, because the mean of its divisors is an integer number (169865715).

Almost surely, 21087140552 is an apocalyptic number.

1087140552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1087140552 is an abundant number, since it is smaller than the sum of its proper divisors (1630710888).

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

1087140552 is a wasteful number, since it uses less digits than its factorization.

1087140552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45297532 (or 45297528 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1087140552 is about 32971.8145087588. The cubic root of 1087140552 is about 1028.2417459492.

The spelling of 1087140552 in words is "one billion, eighty-seven million, one hundred forty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 45297523 90595046 135892569 181190092 271785138 362380184 543570276 1087140552