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42472154 = 2172275503
BaseRepresentation
bin1010001000000…
…1001011011010
32221220210211202
42202001023122
541333102104
64114154202
71024002344
oct242011332
987823752
1042472154
1121a79a5a
1212282962
138a50b6a
1458d8294
153ade51e
hex28812da

42472154 has 16 divisors (see below), whose sum is σ = 67765248. Its totient is φ = 19895232.

The previous prime is 42472147. The next prime is 42472169. The reversal of 42472154 is 45127424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4967 + ... + 10469.

It is an arithmetic number, because the mean of its divisors is an integer number (4235328).

Almost surely, 242472154 is an apocalyptic number.

42472154 is a deficient number, since it is larger than the sum of its proper divisors (25293094).

42472154 is a wasteful number, since it uses less digits than its factorization.

42472154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749.

The product of its digits is 8960, while the sum is 29.

The square root of 42472154 is about 6517.0663645539. The cubic root of 42472154 is about 348.9003692037.

Adding to 42472154 its reverse (45127424), we get a palindrome (87599578).

The spelling of 42472154 in words is "forty-two million, four hundred seventy-two thousand, one hundred fifty-four".

Divisors: 1 2 17 34 227 454 3859 5503 7718 11006 93551 187102 1249181 2498362 21236077 42472154