Search a number
-
+
1143996470 = 25178381077
BaseRepresentation
bin100010000110000…
…0000000000110110
32221201122001010122
41010030000000312
54320330341340
6305303451542
740230544451
oct10414000066
92851561118
101143996470
11537835531
1227b156bb2
131530165b6
14abd12498
156a676db5
hex44300036

1143996470 has 32 divisors (see below), whose sum is σ = 2206618848. Its totient is φ = 425486848.

The previous prime is 1143996461. The next prime is 1143996481. The reversal of 1143996470 is 746993411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26429 + ... + 54648.

It is an arithmetic number, because the mean of its divisors is an integer number (68956839).

Almost surely, 21143996470 is an apocalyptic number.

1143996470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143996470 is a deficient number, since it is larger than the sum of its proper divisors (1062622378).

1143996470 is a wasteful number, since it uses less digits than its factorization.

1143996470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81184.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1143996470 is about 33823.0168672163. The cubic root of 1143996470 is about 1045.8632306214.

The spelling of 1143996470 in words is "one billion, one hundred forty-three million, nine hundred ninety-six thousand, four hundred seventy".

Divisors: 1 2 5 10 17 34 83 85 166 170 415 830 1411 2822 7055 14110 81077 162154 405385 810770 1378309 2756618 6729391 6891545 13458782 13783090 33646955 67293910 114399647 228799294 571998235 1143996470