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34457842 = 217228921
BaseRepresentation
bin1000001101110…
…0100011110010
32101211122021101
42003130203302
532310122332
63230315014
7565613116
oct203344362
971748241
1034457842
11184a5761
12b658a6a
1371a6073
14480d746
153059ae7
hex20dc8f2

34457842 has 4 divisors (see below), whose sum is σ = 51686766. Its totient is φ = 17228920.

The previous prime is 34457831. The next prime is 34457851. The reversal of 34457842 is 24875443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24875443 = 231081541.

It can be written as a sum of positive squares in only one way, i.e., 23242041 + 11215801 = 4821^2 + 3349^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8614459 + ... + 8614462.

Almost surely, 234457842 is an apocalyptic number.

34457842 is a deficient number, since it is larger than the sum of its proper divisors (17228924).

34457842 is a wasteful number, since it uses less digits than its factorization.

34457842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17228923.

The product of its digits is 107520, while the sum is 37.

The square root of 34457842 is about 5870.0802379525. The cubic root of 34457842 is about 325.4088487677.

The spelling of 34457842 in words is "thirty-four million, four hundred fifty-seven thousand, eight hundred forty-two".

Divisors: 1 2 17228921 34457842