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1138952 = 23142369
BaseRepresentation
bin100010110000100001000
32010212100102
410112010020
5242421302
640224532
712452363
oct4260410
92125312
101138952
11708791
1246b148
1330b549
142190da
15177702
hex116108

1138952 has 8 divisors (see below), whose sum is σ = 2135550. Its totient is φ = 569472.

The previous prime is 1138919. The next prime is 1138957. The reversal of 1138952 is 2598311.

It can be written as a sum of positive squares in only one way, i.e., 894916 + 244036 = 946^2 + 494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71177 + ... + 71192.

21138952 is an apocalyptic number.

It is an amenable number.

1138952 is a deficient number, since it is larger than the sum of its proper divisors (996598).

1138952 is a wasteful number, since it uses less digits than its factorization.

1138952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142375 (or 142371 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 1138952 is about 1067.2169413948. The cubic root of 1138952 is about 104.4323715569.

The spelling of 1138952 in words is "one million, one hundred thirty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 142369 284738 569476 1138952