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152442214 = 276221107
BaseRepresentation
bin10010001011000…
…01010101100110
3101121211212101221
421011201111212
5303011122324
623043210554
73530510641
oct1105412546
9347755357
10152442214
1179060101
1243076a5a
13257756c2
1416362a58
15d5b30e4
hex9161566

152442214 has 4 divisors (see below), whose sum is σ = 228663324. Its totient is φ = 76221106.

The previous prime is 152442209. The next prime is 152442239. The reversal of 152442214 is 412244251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412244251 = 2914215319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38110552 + ... + 38110555.

It is an arithmetic number, because the mean of its divisors is an integer number (57165831).

Almost surely, 2152442214 is an apocalyptic number.

152442214 is a deficient number, since it is larger than the sum of its proper divisors (76221110).

152442214 is an equidigital number, since it uses as much as digits as its factorization.

152442214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76221109.

The product of its digits is 2560, while the sum is 25.

The square root of 152442214 is about 12346.7491267945. The cubic root of 152442214 is about 534.1973745174.

Adding to 152442214 its reverse (412244251), we get a palindrome (564686465).

The spelling of 152442214 in words is "one hundred fifty-two million, four hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 76221107 152442214