Search a number
-
+
88691412 = 2237390951
BaseRepresentation
bin1010100100101…
…01001011010100
320011212222202010
411102111023110
5140201111122
612444544220
72124602355
oct522251324
9204788663
1088691412
1146078197
1225852070
13154b4434
14bac9d2c
157bbde0c
hex54952d4

88691412 has 12 divisors (see below), whose sum is σ = 206946656. Its totient is φ = 29563800.

The previous prime is 88691401. The next prime is 88691417. The reversal of 88691412 is 21419688.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88691417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3695464 + ... + 3695487.

Almost surely, 288691412 is an apocalyptic number.

It is an amenable number.

88691412 is an abundant number, since it is smaller than the sum of its proper divisors (118255244).

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

88691412 is a wasteful number, since it uses less digits than its factorization.

88691412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390958 (or 7390956 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 88691412 is about 9417.6117991771. The cubic root of 88691412 is about 445.9578945015.

The spelling of 88691412 in words is "eighty-eight million, six hundred ninety-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 7390951 14781902 22172853 29563804 44345706 88691412