Search a number
-
+
147172680 = 233352937127
BaseRepresentation
bin10001100010110…
…10110101001000
3101020221010222000
420301122311020
5300134011210
622334231000
73434642604
oct1061326510
9336833860
10147172680
1176091016
1241355460
132464c035
1415790504
15cdc1ac0
hex8c5ad48

147172680 has 256 divisors, whose sum is σ = 525312000. Its totient is φ = 36578304.

The previous prime is 147172673. The next prime is 147172681. The reversal of 147172680 is 86271741.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147172681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1158777 + ... + 1158903.

It is an arithmetic number, because the mean of its divisors is an integer number (2052000).

Almost surely, 2147172680 is an apocalyptic number.

147172680 is a gapful number since it is divisible by the number (10) 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 147172680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262656000).

147172680 is an abundant number, since it is smaller than the sum of its proper divisors (378139320).

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

147172680 is a wasteful number, since it uses less digits than its factorization.

147172680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 147172680 is about 12131.4747660785. The cubic root of 147172680 is about 527.9697813284.

The spelling of 147172680 in words is "one hundred forty-seven million, one hundred seventy-two thousand, six hundred eighty".