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1052402047 = 9471111301
BaseRepresentation
bin111110101110100…
…110000101111111
32201100021120012121
4332232212011333
54123403331142
6252232343411
735036161354
oct7656460577
92640246177
101052402047
114a0065264
12254544b67
1313a056a08
149daac62b
15625d2c67
hex3eba617f

1052402047 has 4 divisors (see below), whose sum is σ = 1053514296. Its totient is φ = 1051289800.

The previous prime is 1052402041. The next prime is 1052402059. The reversal of 1052402047 is 7402042501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7402042501 = 71057434643.

It is a cyclic number.

It is not a de Polignac number, because 1052402047 - 219 = 1051877759 is a prime.

It is a super-2 number, since 2×10524020472 = 2215100137059580418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052402041) 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, 554704 + ... + 556597.

It is an arithmetic number, because the mean of its divisors is an integer number (263378574).

Almost surely, 21052402047 is an apocalyptic number.

1052402047 is a deficient number, since it is larger than the sum of its proper divisors (1112249).

1052402047 is an equidigital number, since it uses as much as digits as its factorization.

1052402047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112248.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 1052402047 is about 32440.7467084221. The cubic root of 1052402047 is about 1017.1708242616.

Adding to 1052402047 its reverse (7402042501), we get a palindrome (8454444548).

The spelling of 1052402047 in words is "one billion, fifty-two million, four hundred two thousand, forty-seven".

Divisors: 1 947 1111301 1052402047