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1145864741 = 71798871031
BaseRepresentation
bin100010001001100…
…1000001000100101
32221212010221220212
41010103020020211
54321320132431
6305411505205
740252455350
oct10423101045
92855127825
101145864741
115388a115a
1227b8b8205
1315351ba98
14ac27b297
156a8e572b
hex444c8225

1145864741 has 16 divisors (see below), whose sum is σ = 1319639040. Its totient is φ = 974635440.

The previous prime is 1145864723. The next prime is 1145864771. The reversal of 1145864741 is 1474685411.

It is a cyclic number.

It is not a de Polignac number, because 1145864741 - 26 = 1145864677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145864701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110896 + ... + 1111926.

It is an arithmetic number, because the mean of its divisors is an integer number (82477440).

Almost surely, 21145864741 is an apocalyptic number.

It is an amenable number.

1145864741 is a deficient number, since it is larger than the sum of its proper divisors (173774299).

1145864741 is a wasteful number, since it uses less digits than its factorization.

1145864741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its digits is 107520, while the sum is 41.

The square root of 1145864741 is about 33850.6239381197. The cubic root of 1145864741 is about 1046.4322572121.

The spelling of 1145864741 in words is "one billion, one hundred forty-five million, eight hundred sixty-four thousand, seven hundred forty-one".

Divisors: 1 7 179 887 1031 1253 6209 7217 158773 184549 914497 1111411 1291843 6401479 163694963 1145864741