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11897848 = 231487231
BaseRepresentation
bin101101011000…
…101111111000
3211101110210001
4231120233320
511021212343
61103002344
7203062414
oct55305770
924343701
1011897848
116797036
123b993b4
132607661
141819d44
1510a044d
hexb58bf8

11897848 has 8 divisors (see below), whose sum is σ = 22308480. Its totient is φ = 5948920.

The previous prime is 11897843. The next prime is 11897849. The reversal of 11897848 is 84879811.

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

It is a super-2 number, since 2×118978482 = 283117574062208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11897798 and 11897807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743608 + ... + 743623.

It is an arithmetic number, because the mean of its divisors is an integer number (2788560).

Almost surely, 211897848 is an apocalyptic number.

It is an amenable number.

11897848 is a deficient number, since it is larger than the sum of its proper divisors (10410632).

11897848 is a wasteful number, since it uses less digits than its factorization.

11897848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487237 (or 1487233 counting only the distinct ones).

The product of its digits is 129024, while the sum is 46.

The square root of 11897848 is about 3449.3257312118. The cubic root of 11897848 is about 228.2913583073.

The spelling of 11897848 in words is "eleven million, eight hundred ninety-seven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 1487231 2974462 5948924 11897848