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1397746094 = 26752120021
BaseRepresentation
bin101001101001111…
…1110100110101110
310121102002212011212
41103103332212232
510330310333334
6350410314422
746431434333
oct12323764656
93542085155
101397746094
11657a9a368
12330128a12
1319376c8c4
14d38c698a
1582a9bece
hex534fe9ae

1397746094 has 16 divisors (see below), whose sum is σ = 2132102736. Its totient is φ = 687086400.

The previous prime is 1397746093. The next prime is 1397746117. The reversal of 1397746094 is 4906477931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1397746093) 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 7 ways as a sum of consecutive naturals, for example, 59804 + ... + 79824.

It is an arithmetic number, because the mean of its divisors is an integer number (133256421).

Almost surely, 21397746094 is an apocalyptic number.

1397746094 is a deficient number, since it is larger than the sum of its proper divisors (734356642).

1397746094 is a wasteful number, since it uses less digits than its factorization.

1397746094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20611.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 1397746094 is about 37386.4426497093. The cubic root of 1397746094 is about 1118.0882815967.

The spelling of 1397746094 in words is "one billion, three hundred ninety-seven million, seven hundred forty-six thousand, ninety-four".

Divisors: 1 2 67 134 521 1042 20021 34907 40042 69814 1341407 2682814 10430941 20861882 698873047 1397746094