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1394045952 = 21031367521
BaseRepresentation
bin101001100010111…
…0111010000000000
310121011010212112120
41103011313100000
510323333432302
6350155124240
746355123625
oct12305672000
93534125476
101394045952
116559a23a2
1232aa43680
13192a75680
14d320234c
15825ba9bc
hex53177400

1394045952 has 176 divisors, whose sum is σ = 4068977472. Its totient is φ = 421724160.

The previous prime is 1394045911. The next prime is 1394045953. The reversal of 1394045952 is 2595404931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394045953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675452 + ... + 2675972.

Almost surely, 21394045952 is an apocalyptic number.

1394045952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394045952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2034488736).

1394045952 is an abundant number, since it is smaller than the sum of its proper divisors (2674931520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1394045952 is a wasteful number, since it uses less digits than its factorization.

1394045952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1394045952 is about 37336.9247796334. The cubic root of 1394045952 is about 1117.1008010142.

The spelling of 1394045952 in words is "one billion, three hundred ninety-four million, forty-five thousand, nine hundred fifty-two".