Search a number
-
+
152311340 = 2259778511
BaseRepresentation
bin10010001010000…
…01011000101100
3101121121012212202
421011001120230
5302442430330
623040321032
73526424246
oct1105013054
9347535782
10152311340
1178a80845
1243013178
132572ac6c
141632b096
15d589445
hex914162c

152311340 has 24 divisors (see below), whose sum is σ = 323155392. Its totient is φ = 60295680.

The previous prime is 152311337. The next prime is 152311343. The reversal of 152311340 is 43113251.

It is an interprime number because it is at equal distance from previous prime (152311337) and next prime (152311343).

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

It is not an unprimeable number, because it can be changed into a prime (152311343) 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, 37316 + ... + 41195.

It is an arithmetic number, because the mean of its divisors is an integer number (13464808).

Almost surely, 2152311340 is an apocalyptic number.

152311340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152311340 is an abundant number, since it is smaller than the sum of its proper divisors (170844052).

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

152311340 is a wasteful number, since it uses less digits than its factorization.

152311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78617 (or 78615 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 152311340 is about 12341.4480511810. The cubic root of 152311340 is about 534.0444585110.

Adding to 152311340 its reverse (43113251), we get a palindrome (195424591).

The spelling of 152311340 in words is "one hundred fifty-two million, three hundred eleven thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 78511 157022 314044 392555 785110 1570220 7615567 15231134 30462268 38077835 76155670 152311340