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1338507148 = 2211113269209
BaseRepresentation
bin100111111000111…
…1111111110001100
310110021122012121211
41033301333332030
510220124212043
6340452504204
745112060126
oct11761777614
93407565554
101338507148
11627609260
1231431b064
131843cb184
14c9aa6216
157c799a9d
hex4fc7ff8c

1338507148 has 24 divisors (see below), whose sum is σ = 2577954960. Its totient is φ = 603025920.

The previous prime is 1338507133. The next prime is 1338507161. The reversal of 1338507148 is 8417058331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338507148.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129633 + ... + 139576.

It is an arithmetic number, because the mean of its divisors is an integer number (107414790).

Almost surely, 21338507148 is an apocalyptic number.

It is an amenable number.

1338507148 is a deficient number, since it is larger than the sum of its proper divisors (1239447812).

1338507148 is a wasteful number, since it uses less digits than its factorization.

1338507148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269337 (or 269335 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1338507148 is about 36585.6139486547. The cubic root of 1338507148 is about 1102.0642088272.

The spelling of 1338507148 in words is "one billion, three hundred thirty-eight million, five hundred seven thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 113 226 452 1243 2486 4972 269209 538418 1076836 2961299 5922598 11845196 30420617 60841234 121682468 334626787 669253574 1338507148