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1393952037 = 3571813749
BaseRepresentation
bin101001100010110…
…0000010100100101
310121010222002201020
41103011200110211
510323322431122
6350153121353
746354253052
oct12305402445
93533862636
101393952037
11655938885
1232a9b9259
13192a419ba
14d31ba029
158259cc5c
hex53160525

1393952037 has 8 divisors (see below), whose sum is σ = 1861860000. Its totient is φ = 927672720.

The previous prime is 1393952011. The next prime is 1393952051. The reversal of 1393952037 is 7302593931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1393952037 - 212 = 1393947941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1393952037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1393952057) 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, 405162 + ... + 408587.

It is an arithmetic number, because the mean of its divisors is an integer number (232732500).

Almost surely, 21393952037 is an apocalyptic number.

It is an amenable number.

1393952037 is a deficient number, since it is larger than the sum of its proper divisors (467907963).

1393952037 is an equidigital number, since it uses as much as digits as its factorization.

1393952037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814323.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 1393952037 is about 37335.6670892593. The cubic root of 1393952037 is about 1117.0757145916.

The spelling of 1393952037 in words is "one billion, three hundred ninety-three million, nine hundred fifty-two thousand, thirty-seven".

Divisors: 1 3 571 1713 813749 2441247 464650679 1393952037