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372420401 = 1034336007
BaseRepresentation
bin10110001100101…
…010111100110001
3221221202220202012
4112030222330301
51230314423101
6100542132305
712141343523
oct2614527461
9857686665
10372420401
11181248a61
12a4881095
135c206202
1437665a13
1522a66bbb
hex1632af31

372420401 has 4 divisors (see below), whose sum is σ = 372466752. Its totient is φ = 372374052.

The previous prime is 372420397. The next prime is 372420413. The reversal of 372420401 is 104024273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 372420401 - 22 = 372420397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (372420421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7661 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (93116688).

Almost surely, 2372420401 is an apocalyptic number.

It is an amenable number.

372420401 is a deficient number, since it is larger than the sum of its proper divisors (46351).

372420401 is a wasteful number, since it uses less digits than its factorization.

372420401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46350.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 372420401 is about 19298.1968328650. The cubic root of 372420401 is about 719.4674566421.

Adding to 372420401 its reverse (104024273), we get a palindrome (476444674).

The spelling of 372420401 in words is "three hundred seventy-two million, four hundred twenty thousand, four hundred one".

Divisors: 1 10343 36007 372420401