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1400527061 = 2551549011
BaseRepresentation
bin101001101111010…
…0101100011010101
310121121100010221122
41103132211203111
510332013331221
6350550053325
746464166163
oct12336454325
93547303848
101400527061
1165961978a
1233104a245
1319420464b
14d400c233
1582e4aeab
hex537a58d5

1400527061 has 4 divisors (see below), whose sum is σ = 1401078624. Its totient is φ = 1399975500.

The previous prime is 1400527057. The next prime is 1400527087. The reversal of 1400527061 is 1607250041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1607250041 = 7549212909.

It is a cyclic number.

It is not a de Polignac number, because 1400527061 - 22 = 1400527057 is a prime.

It is a super-2 number, since 2×14005270612 = 3922952097186595442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400527061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400527091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271955 + ... + 277056.

It is an arithmetic number, because the mean of its divisors is an integer number (350269656).

Almost surely, 21400527061 is an apocalyptic number.

It is an amenable number.

1400527061 is a deficient number, since it is larger than the sum of its proper divisors (551563).

1400527061 is an equidigital number, since it uses as much as digits as its factorization.

1400527061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551562.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1400527061 is about 37423.6163538480. The cubic root of 1400527061 is about 1118.8293095425.

The spelling of 1400527061 in words is "one billion, four hundred million, five hundred twenty-seven thousand, sixty-one".

Divisors: 1 2551 549011 1400527061