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1370990448 = 24351967277
BaseRepresentation
bin101000110110111…
…1010011101110000
310112112202112100000
41101231322131300
510301433143243
6344013030000
745655140462
oct12155723560
93475675300
101370990448
11643985463
12323185300
1318b062569
14d0120132
15805645d3
hex51b7a770

1370990448 has 240 divisors, whose sum is σ = 4266254720. Its totient is φ = 424942848.

The previous prime is 1370990419. The next prime is 1370990459. The reversal of 1370990448 is 8440990731.

It is a super-2 number, since 2×13709904482 = 3759229617014481408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4949286 + ... + 4949562.

Almost surely, 21370990448 is an apocalyptic number.

1370990448 is a gapful number since it is divisible by the number (18) 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 1370990448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133127360).

1370990448 is an abundant number, since it is smaller than the sum of its proper divisors (2895264272).

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

1370990448 is a wasteful number, since it uses less digits than its factorization.

1370990448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1370990448 is about 37026.8881760269. Note that the first 3 decimals coincide. The cubic root of 1370990448 is about 1110.9081246198.

The spelling of 1370990448 in words is "one billion, three hundred seventy million, nine hundred ninety thousand, four hundred forty-eight".