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152130400 = 2552397479
BaseRepresentation
bin10010001000101…
…01001101100000
3101121021000200021
421010111031200
5302421133100
623032403224
73525041602
oct1104251540
9347230607
10152130400
1178967904
1242b46514
13256967b6
14162c1172
15d550a1a
hex9115360

152130400 has 72 divisors (see below), whose sum is σ = 373101120. Its totient is φ = 60572160.

The previous prime is 152130373. The next prime is 152130403. The reversal of 152130400 is 4031251.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152130403) 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, 317361 + ... + 317839.

It is an arithmetic number, because the mean of its divisors is an integer number (5181960).

Almost surely, 2152130400 is an apocalyptic number.

152130400 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 152130400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186550560).

152130400 is an abundant number, since it is smaller than the sum of its proper divisors (220970720).

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

152130400 is a wasteful number, since it uses less digits than its factorization.

152130400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 152130400 is about 12334.1152905265. The cubic root of 152130400 is about 533.8328999717.

Adding to 152130400 its reverse (4031251), we get a palindrome (156161651).

The spelling of 152130400 in words is "one hundred fifty-two million, one hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 397 400 479 794 800 958 1588 1916 1985 2395 3176 3832 3970 4790 6352 7664 7940 9580 9925 11975 12704 15328 15880 19160 19850 23950 31760 38320 39700 47900 63520 76640 79400 95800 158800 190163 191600 317600 380326 383200 760652 950815 1521304 1901630 3042608 3803260 4754075 6085216 7606520 9508150 15213040 19016300 30426080 38032600 76065200 152130400