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1147230906 = 231910063429
BaseRepresentation
bin100010001100001…
…0101101010111010
32221221201100221120
41010120111222322
54322142342111
6305501050110
740300205343
oct10430255272
92857640846
101147230906
11539644618
12280256936
131538a9873
14ac5150ca
156aab5406
hex44615aba

1147230906 has 16 divisors (see below), whose sum is σ = 2415223200. Its totient is φ = 362283408.

The previous prime is 1147230901. The next prime is 1147230911. The reversal of 1147230906 is 6090327411.

It is an interprime number because it is at equal distance from previous prime (1147230901) and next prime (1147230911).

It is a super-2 number, since 2×11472309062 = 2632277503363161672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147230901) 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, 5031601 + ... + 5031828.

It is an arithmetic number, because the mean of its divisors is an integer number (150951450).

Almost surely, 21147230906 is an apocalyptic number.

1147230906 is an abundant number, since it is smaller than the sum of its proper divisors (1267992294).

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

1147230906 is a wasteful number, since it uses less digits than its factorization.

1147230906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10063453.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1147230906 is about 33870.7972448243. The cubic root of 1147230906 is about 1046.8479640286.

The spelling of 1147230906 in words is "one billion, one hundred forty-seven million, two hundred thirty thousand, nine hundred six".

Divisors: 1 2 3 6 19 38 57 114 10063429 20126858 30190287 60380574 191205151 382410302 573615453 1147230906