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1090487272 = 23719472987
BaseRepresentation
bin100000011111111…
…1000001111101000
32210222221111022111
41000333320033220
54213131043042
6300112532104
736010663120
oct10077701750
92728844274
101090487272
1150a608256
12265251034
13144bccb54
14a4b83c80
1565b07517
hex40ff83e8

1090487272 has 16 divisors (see below), whose sum is σ = 2336758560. Its totient is φ = 467351664.

The previous prime is 1090487231. The next prime is 1090487309. The reversal of 1090487272 is 2727840901.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9736438 + ... + 9736549.

It is an arithmetic number, because the mean of its divisors is an integer number (146047410).

Almost surely, 21090487272 is an apocalyptic number.

It is an amenable number.

1090487272 is an abundant number, since it is smaller than the sum of its proper divisors (1246271288).

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

1090487272 is a wasteful number, since it uses less digits than its factorization.

1090487272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19473000 (or 19472996 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1090487272 is about 33022.5267355483. The cubic root of 1090487272 is about 1029.2957991711.

The spelling of 1090487272 in words is "one billion, ninety million, four hundred eighty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 19472987 38945974 77891948 136310909 155783896 272621818 545243636 1090487272