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1354012728 = 233269920903
BaseRepresentation
bin101000010110100…
…1001100000111000
310111100210222021120
41100231021200320
510233111401403
6342205105240
745360626655
oct12055114070
93440728246
101354012728
11635339892
12319558220
13187699983
14cbb80c2c
157dd0de53
hex50b49838

1354012728 has 32 divisors (see below), whose sum is σ = 3386448000. Its totient is φ = 451148768.

The previous prime is 1354012727. The next prime is 1354012729. The reversal of 1354012728 is 8272104531.

It is an interprime number because it is at equal distance from previous prime (1354012727) and next prime (1354012729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354012727) 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, 54325 + ... + 75227.

It is an arithmetic number, because the mean of its divisors is an integer number (105826500).

Almost surely, 21354012728 is an apocalyptic number.

It is an amenable number.

1354012728 is an abundant number, since it is smaller than the sum of its proper divisors (2032435272).

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

1354012728 is a wasteful number, since it uses less digits than its factorization.

1354012728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23611 (or 23607 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1354012728 is about 36796.9119356503. The cubic root of 1354012728 is about 1106.3034046675.

The spelling of 1354012728 in words is "one billion, three hundred fifty-four million, twelve thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 2699 5398 8097 10796 16194 20903 21592 32388 41806 62709 64776 83612 125418 167224 250836 501672 56417197 112834394 169251591 225668788 338503182 451337576 677006364 1354012728