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1397225504 = 25671733767
BaseRepresentation
bin101001101000111…
…1111100000100000
310121101010102001202
41103101333200200
510330142204004
6350351220332
746424135513
oct12321774040
93541112052
101397225504
11657774224
1232bb176a8
1319361996c
14d37ccd7a
15829e7b1e
hex5347f820

1397225504 has 48 divisors (see below), whose sum is σ = 2808727488. Its totient is φ = 684026112.

The previous prime is 1397225441. The next prime is 1397225509. The reversal of 1397225504 is 4055227931.

It is not an unprimeable number, because it can be changed into a prime (1397225509) 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, 369029 + ... + 372795.

It is an arithmetic number, because the mean of its divisors is an integer number (58515156).

Almost surely, 21397225504 is an apocalyptic number.

It is an amenable number.

1397225504 is an abundant number, since it is smaller than the sum of its proper divisors (1411501984).

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

1397225504 is a wasteful number, since it uses less digits than its factorization.

1397225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1397225504 is about 37379.4797181555. The cubic root of 1397225504 is about 1117.9494538417.

The spelling of 1397225504 in words is "one billion, three hundred ninety-seven million, two hundred twenty-five thousand, five hundred four".

Divisors: 1 2 4 8 16 32 67 134 173 268 346 536 692 1072 1384 2144 2768 3767 5536 7534 11591 15068 23182 30136 46364 60272 92728 120544 185456 252389 370912 504778 651691 1009556 1303382 2019112 2606764 4038224 5213528 8076448 10427056 20854112 43663297 87326594 174653188 349306376 698612752 1397225504