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1037401381 = 4423234547
BaseRepresentation
bin111101110101010…
…111110100100101
32200022001110011101
4331311113310211
54111033321011
6250535040101
734464523552
oct7565276445
92608043141
101037401381
1149264a015
1224b510031
13136c03c93
149bac5a29
156111d2c1
hex3dd57d25

1037401381 has 4 divisors (see below), whose sum is σ = 1037640352. Its totient is φ = 1037162412.

The previous prime is 1037401331. The next prime is 1037401397. The reversal of 1037401381 is 1831047301.

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: 1831047301 = 4214349281.

It is a cyclic number.

It is not a de Polignac number, because 1037401381 - 221 = 1035304229 is a prime.

It is a super-2 number, since 2×10374013812 = 2152403250601414322, 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 (1037401331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112851 + ... + 121696.

It is an arithmetic number, because the mean of its divisors is an integer number (259410088).

Almost surely, 21037401381 is an apocalyptic number.

It is an amenable number.

1037401381 is a deficient number, since it is larger than the sum of its proper divisors (238971).

1037401381 is an equidigital number, since it uses as much as digits as its factorization.

1037401381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238970.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1037401381 is about 32208.7159166583. The cubic root of 1037401381 is about 1012.3148489570.

Adding to 1037401381 its reverse (1831047301), we get a palindrome (2868448682).

The spelling of 1037401381 in words is "one billion, thirty-seven million, four hundred one thousand, three hundred eighty-one".

Divisors: 1 4423 234547 1037401381