Search a number
-
+
3143460440 = 235671172933
BaseRepresentation
bin1011101101011101…
…0110011001011000
322010001222100001202
42323113112121120
522414211213230
61235531133332
7140616654461
oct27327263130
98101870052
103143460440
11137344639a
127388a4248
133b1333983
1421b6abd68
15135e80a45
hexbb5d6658

3143460440 has 32 divisors (see below), whose sum is σ = 7178356080. Its totient is φ = 1238616192.

The previous prime is 3143460427. The next prime is 3143460449. The reversal of 3143460440 is 440643413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3143460449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583787 + ... + 589146.

Almost surely, 23143460440 is an apocalyptic number.

It is an amenable number.

3143460440 is an abundant number, since it is smaller than the sum of its proper divisors (4034895640).

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

3143460440 is a wasteful number, since it uses less digits than its factorization.

3143460440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173011 (or 1173007 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 3143460440 is about 56066.5715020992. The cubic root of 3143460440 is about 1464.8820803797.

The spelling of 3143460440 in words is "three billion, one hundred forty-three million, four hundred sixty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 1172933 2345866 4691732 5864665 9383464 11729330 23458660 46917320 78586511 157173022 314346044 392932555 628692088 785865110 1571730220 3143460440