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97400000 = 2655487
BaseRepresentation
bin1011100111000…
…11010011000000
320210021102200102
411303203103000
5144413300000
613355341532
72261613005
oct563432300
9223242612
1097400000
114aa86075
12287518a8
1317243249
14cd158ac
15883e3d5
hex5ce34c0

97400000 has 84 divisors (see below), whose sum is σ = 242078256. Its totient is φ = 38880000.

The previous prime is 97399999. The next prime is 97400003. The reversal of 97400000 is 479.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (97400003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199757 + ... + 200243.

It is an arithmetic number, because the mean of its divisors is an integer number (2881884).

Almost surely, 297400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121039128).

97400000 is an abundant number, since it is smaller than the sum of its proper divisors (144678256).

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

97400000 is an frugal number, since it uses more digits than its factorization.

97400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 97400000 is about 9869.1438331803. The cubic root of 97400000 is about 460.1007970670.

Adding to 97400000 its reverse (479), we get a palindrome (97400479).

The spelling of 97400000 in words is "ninety-seven million, four hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 487 500 625 800 974 1000 1250 1600 1948 2000 2435 2500 3125 3896 4000 4870 5000 6250 7792 8000 9740 10000 12175 12500 15584 19480 20000 24350 25000 31168 38960 40000 48700 50000 60875 77920 97400 100000 121750 155840 194800 200000 243500 304375 389600 487000 608750 779200 974000 1217500 1521875 1948000 2435000 3043750 3896000 4870000 6087500 9740000 12175000 19480000 24350000 48700000 97400000