Search a number
-
+
1074661572 = 22389555131
BaseRepresentation
bin100000000001110…
…0000100011000100
32202220011110112110
41000003200203010
54200103132242
6254345421020
735426321055
oct10003404304
92686143473
101074661572
11501689166
1225ba9a770
1314184b72a
14a2a2472c
156452d39c
hex400e08c4

1074661572 has 12 divisors (see below), whose sum is σ = 2507543696. Its totient is φ = 358220520.

The previous prime is 1074661541. The next prime is 1074661573. The reversal of 1074661572 is 2751664701.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10746615722 = 2309794988667022368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1074661572.

It is not an unprimeable number, because it can be changed into a prime (1074661573) 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, 44777554 + ... + 44777577.

Almost surely, 21074661572 is an apocalyptic number.

1074661572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1074661572 is an abundant number, since it is smaller than the sum of its proper divisors (1432882124).

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

1074661572 is a wasteful number, since it uses less digits than its factorization.

1074661572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89555138 (or 89555136 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 1074661572 is about 32782.0312366394. The cubic root of 1074661572 is about 1024.2922965723.

The spelling of 1074661572 in words is "one billion, seventy-four million, six hundred sixty-one thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 89555131 179110262 268665393 358220524 537330786 1074661572