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74225152 = 29294999
BaseRepresentation
bin1000110110010…
…01011000000000
312011200000202201
410123021120000
5123000201102
611210522544
71560621601
oct433113000
9164600681
1074225152
1138997501
1220a36454
13124baa11
149c01da8
1567b2987
hex46c9600

74225152 has 40 divisors (see below), whose sum is σ = 153450000. Its totient is φ = 35825664.

The previous prime is 74225119. The next prime is 74225167. The reversal of 74225152 is 25152247.

74225152 = T2248 + T2249 + ... + T2276.

It is a self number, because there is not a number n which added to its sum of digits gives 74225152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12349 + ... + 17347.

It is an arithmetic number, because the mean of its divisors is an integer number (3836250).

Almost surely, 274225152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74225152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76725000).

74225152 is an abundant number, since it is smaller than the sum of its proper divisors (79224848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74225152 is an equidigital number, since it uses as much as digits as its factorization.

74225152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046 (or 5030 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 74225152 is about 8615.4020219604. The cubic root of 74225152 is about 420.2590087960.

Adding to 74225152 its reverse (25152247), we get a palindrome (99377399).

The spelling of 74225152 in words is "seventy-four million, two hundred twenty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 29 32 58 64 116 128 232 256 464 512 928 1856 3712 4999 7424 9998 14848 19996 39992 79984 144971 159968 289942 319936 579884 639872 1159768 1279744 2319536 2559488 4639072 9278144 18556288 37112576 74225152