Search a number
-
+
74015941 = 317332707
BaseRepresentation
bin1000110100101…
…10010011000101
312011021101210011
410122112103011
5122422002231
611202230221
71556060626
oct432262305
9164241704
1074015941
11388642aa
1220955371
131244671c
149b89a4d
1567709b1
hex46964c5

74015941 has 8 divisors (see below), whose sum is σ = 77452544. Its totient is φ = 70644960.

The previous prime is 74015939. The next prime is 74015951. The reversal of 74015941 is 14951047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74015941 - 21 = 74015939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74015951) 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, 14091 + ... + 18616.

It is an arithmetic number, because the mean of its divisors is an integer number (9681568).

Almost surely, 274015941 is an apocalyptic number.

It is an amenable number.

74015941 is a deficient number, since it is larger than the sum of its proper divisors (3436603).

74015941 is a wasteful number, since it uses less digits than its factorization.

74015941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32811.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 74015941 is about 8603.2517689534. The cubic root of 74015941 is about 419.8637899197.

Adding to 74015941 its reverse (14951047), we get a palindrome (88966988).

The spelling of 74015941 in words is "seventy-four million, fifteen thousand, nine hundred forty-one".

Divisors: 1 31 73 2263 32707 1013917 2387611 74015941